Azepine inhibitors of janus kinases

1. A method of treating a disease associated with JAK activity in a patient, wherein said disease is allograft rejection, graft versus host disease, rheumatoid arthritis, psoriasis, polycythemia vera (PV), essential thrombocythemia (ET), or myeloid metaplasia with myelofibrosis, comprising administering to said patient a therapeutically effective amount of a compound of Formula Ia, Ib, or Ic:

or a pharmaceutically acceptable salt thereof, wherein:

D 1 , D 2 , D 3 , D 4 , D 5 , D 6 and D 7 are, independently, CR 1 or N;

E is O, S, SO, SO 2 , or NR 2a ;

G is N or CR 2b ;

Q 1 and Q 2 are each, independently, N or CR 2c ;

W 1 is absent, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, O, S, NR 3 , CO, COO, CONR 3 , SO, SO 2 , SONR 3 , SO 2 NR 3 , or NR 3 CONR 4 , wherein said C 1-6 alkyl, C 2-6 alkenyl or C 2-6 alkynyl is optionally substituted by 1, 2 or 3 substituents independently selected from halo, OH, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino and C 2-8 dialkylamino;

W 2 is absent, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl or heterocycloalkyl, wherein said C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl or heterocycloalkyl is optionally substituted by 1, 2, or 3 substituents independently selected from halo, CN, NO 2 , OH, ═NH, ═NOH, ═NO—(C 1-4 alkyl), —NR 3 C(O)O—(C 1-4 alkyl), NR 3 C(O)—(C 1-4 alkyl), —C(O)O—(C 1-4 alkyl), C 1-4 haloalkyl, C 1-4 cyanoalkyl, pentahalosulfanyl, C 1-4 hydroxylalkyl, C 1-4 alkylthio, C 1-4 haloalkylthio, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino and C 2-8 dialkylamino;

W 3 is absent, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, O, S, NR 3 , ═N—, ═N—O—, ═N—O—(C 1-4 alkyl)-, O—(C 1-4 alkyl), S—(C 1-4 alkyl), NR 3 —(C 1-4 alkyl), (C 1-4 alkyl)-O—(C 1-4 alkyl), (C 1-4 alkyl)-S—(C 1-4 alkyl), (C 1-4 alkyl)-NR 3 —(C 1-4 alkyl), CO, COO, C(O)—(C 1-4 alkyl), C(O)O—(C 1-4 alkyl), C(O)—(C 1-4 alkyl)-C(O), NR 3 C(O)—(C 1-4 alkyl), C(O)NR 3 —(C 1-4 alkyl), NR 3 C(O)O—(C 1-4 alkyl), NR 3 C(O)O, CONR 3 , SO, SO 2 , SONR 3 , SO 2 NR 3 , or NR 3 CONR 4 , wherein said C 1-6 alkyl, C 2-6 alkenyl or C 2-6 alkynyl is optionally substituted by 1, 2 or 3 substituents independently selected from halo, OH, CN, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino and C 2-8 dialkylamino;

W 4 is H, NR 3 R 4 , CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl or heterocycloalkyl, wherein each of said C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl or heterocycloalkyl is optionally substituted by 1, 2, 3, 4 or 5 substituents independently selected from halo, OH, CN, C 1-4 alkoxy, ═NH, ═NOH, ═NO—(C 1-4 alkyl), C 1-4 haloalkyl, C 1-4 haloalkoxy, pentahalosulfanyl, COOH, CONH 2 , COO—(C 1-4 alkyl), amino, C 1-4 alkylamino and C 2-8 dialkylamino;

R l is, independently, H, halo, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 haloalkyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, CN, NO 2 , OR a , SR a , C(O)R b , C(O)NR c R d , NR c C(O)NR c R d , C(O)OR a , OC(O)R b , OC(O)NR c R d , NR c R d , NR c C(O)R d , NR c C(O)OR a , S(O)R b , S(O)NR c R d , NR c S(O)NR c R d , pentahalosulfanyl, S(O) 2 R b , or S(O) 2 NR c R d ;

R 2a is H, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, OH, C 1-4 alkoxy, C(O)R b , C(O)NR c R d , S(O)R b , S(O)NR c R d , S(O) 2 R b , or S(O) 2 NR c R d ;

R 2b and R 2c are each, independently, H, halo, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 haloalkyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, CN, NO 2 , OR a , SR a , C(O)R b , C(O)NR c R d , C(O)OR a , OC(O)R b , OC(O)NR c R d , NR c C(O)NR c R d , NR c R d , NR c C(O)R d , NR c C(O)OR a , S(O)R b , S(O)NR c R d , NR c S(O)NR c R d , S(O) 2 R b , or S(O) 2 NR c R d ;

R 3 and R 4 are each, independently, H, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, arylalkyl, cycloalkylalkyl, COOR a ′, COR b ′, SOR b ′, or SO 2 R b ′ wherein each of said C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, arylalkyl, or cycloalkylalkyl is optionally substituted by 1, 2 or 3 substituents selected from halo, C 1-4 alkyl, C 1-4 haloalkyl, OH, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino, C 2-8 dialkylamino, aminocarbonyl, C 1-4 alkylaminocarbonyl, C 2-8 dialkylaminocarbonyl, CN and NO 2 ;

or R 3 and R 4 together with the N atom to which they are attached form a heterocycloalkyl group optionally substituted by 1, 2 or 3 substituents selected from halo, C 1-4 alkyl, C 1-4 haloalkyl, OH, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino, C 2-8 dialkylamino, aminocarbonyl, C 1-4 alkylaminocarbonyl, and C 2-8 dialkylaminocarbonyl;

R a and R a ′ are each, independently, H, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl or heterocycloalkyl;

R b and R b ′ are each, independently, H, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl or heterocycloalkyl; and

R c and R d are each, independently, H, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, arylalkyl, or cycloalkylalkyl;

or R c and R d together with the N atom to which they are attached form a 4-, 5-, 6- or 7-membered heterocycloalkyl group;

provided that when D 7 is N, E is O or S, and G is N; then -W 1 -W 2 -W 3 -W 4 is other than H.

2. The method of claim 1 , wherein the compound is a compound having Formula Ia, or a pharmaceutically acceptable salt thereof.

3. The method of claim 1 , wherein the compound is a compound having Formula Ib, or pharmaceutically acceptable salt thereof.

4. The method of claim 1 , wherein the compound is a compound having Formula Ic, or pharmaceutically acceptable salt thereof.

5. The method of claim 1 , wherein E is NR 2a .

6. The method of claim 1 , wherein E is NH or NOH.

7. The method of claim 1 , wherein G is N.

8. The method of claim 1 , wherein E is NH or NOH and G is N.

9. The method of claim 1 , wherein E is NH and G is N.

10. The method of claim 1 , wherein the compound is a compound having Formula Ia, or a pharmaceutically acceptable salt thereof, wherein:

E is NH or NOH; and

G is N.

11. The method of claim 1 , wherein Q 1 is N and Q 2 is CR 2c .

12. The method of claim 1 , wherein Q 1 is CR 2c and Q 2 is N.

13. The method of claim 1 , wherein each of D 1 , D 2 , and D 3 is CR 1 .

14. The method of claim 1 , wherein each of D 1 , D 2 , and D 3 is CH.

15. The method of claim 1 , wherein each of D 4 , D 5 , D 6 , and D 7 is CR 1 .

16. The method of claim 1 , wherein each of D 4 , D 5 , and D 7 is CR 1 and D 6 is N.

17. The method of claim 1 , wherein each of D 4 and D 7 is CH.

18. The method of claim 1 , wherein D 5 is CR 1 and R 1 is H or halo.

19. The method of claim 1 , wherein D 6 is CR 1 and R 1 is halo.

20. The method of claim 1 , wherein D 6 is CF.

21. The method of claim 1 , wherein D 6 is N.

22. The method of claim 1 , wherein D 5 is CH or CF.

23. The method of claim 1 , wherein -W 1 -W 2 -W 3 -W 4 is C 1-6 alkyl, aryl, arylalkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl or heterocycloalkylalkyl, each optionally substituted by 1, 2, or 3 halo, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 haloalkylcarbonyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, —COOH, —COO—(C 1-4 alkyl), OH, C 1-4 alkoxy, C 1-4 haloalkoxy, hydroxyalkyl, CN, cyanoalkyl, alkylthio, arylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, arylsulfinyl, arylsulfonyl, aryloxy, cycloalkyloxy, arylalkyloxy, aminocarbonyl, aminocarbonylalkyl, cyanoalkylcarbonyl, formyl, alkylcarbonyl, amino, alkylamino, alkylcarbonylamino, alkyloxycarbonylamino, or dialkylamino optionally substituted by CN.

24. The method of claim 1 , wherein -W 1 -W 2 -W 3 -W 4 is C 1-6 alkyl, aryl, arylalkyl, cycloalkyl, heteroaryl, heterocycloalkyl, or heterocycloalkylalkyl, each optionally substituted by 1, 2, or 3 halo, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 haloalkylcarbonyl, aryl, —COO—(C 1-4 alkyl), OH, C 1-4 alkoxy, C 1-4 haloalkoxy, hydroxyalkyl, CN, cyanoalkyl, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyloxy, aminocarbonyl, aminocarbonylalkyl, cyanoalkylcarbonyl, formyl, alkylcarbonyl, alkyloxycarbonylamino, alkylcarbonylamino, or dialkylamino optionally substituted by CN.

25. The method of claim 1 , wherein -W 1 -W 2 -W 3 -W 4 is methyl, ethyl, propyl, butyl, pentyl, hexyl, phenyl, naphthyl, biphenyl, benzyl, phenylethyl, phenylpropyl, cyclopropyl, cyclohexyl, cyclohexenyl, bicyclo[2.2.1]hept-2-enyl, cyclopentyl, pyridyl, pyrryl, imidazolyl, isoxazolyl, thiazolyl, quinolinyl, piperidinyl, tetrahydrofuranyl, pyrrolidinyl, benzo [1,3]dioxolyl, (piperidin-4-yl)methyl, (piperidin-3-yl)methyl, (tetrahydropyran-4-yl)-methyl, (tetrahydrothiopyran-4-yl)-methyl, each optionally substituted by 1, 2, or 3 halo, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 haloalkylcarbonyl, aryl, —COO—(C 1-4 alkyl), OH, C 1-4 alkoxy, C 1-4 haloalkoxy, hydroxyalkyl, CN, cyanoalkyl, cyanoalkylcarbonyl, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyloxy, aminocarbonyl, aminocarbonylalkyl, cyanoalkylcarbonyl, formyl, alkylcarbonyl, alkyloxycarbonylamino, alkylcarbonylamino, or dialkylamino optionally substituted by CN.

26. The method of claim 1 , wherein -W 1 -W 2 -W 3 -W 4 is phenyl, pyrazyl, pyrindyl, pyrryl, indolyl, furyl, thienyl, or benzothienyl, each optionally substituted by 1, 2, 3, 4, or 5 halo, C 1-4 alkyl, C 1-4 haloalkyl, aryl, OH, C 1-4 alkoxy, hydroxyalkyl, CN, cyanoalkyl, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, cycloalkyl, heterocycloalkyl, cycloalkylakyl, heterocyclyoalkylalkyl, amino, dialkylamino, aminoalkyl, or aminosulfonyl.

27. The method of claim 1 , wherein -W 1 -W 2 -W 3 -W 4 is phenyl optionally substituted by 1, 2, 3, 4, or 5 halo, C 1-4 alkyl, C 1-4 haloalkyl, aryl, OH, C 1-4 alkoxy, hydroxyalkyl, CN, cyanoalkyl, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, cycloalkyl, heterocycloalkyl, cycloalkylakyl, heterocyclyoalkylalkyl, amino, dialkylamino, aminoalkyl, or aminosulfonyl.

28. The method of claim 1 , wherein -W 1 -W 2 -W 3 -W 4 is phenyl optionally substituted by 1, 2, 3, 4, or 5 halo, C 1-4 alkyl, C 1-4 haloalkyl, aryl, OH, C 1-4 alkoxy, CN, cyanoalkyl, alkylthio, or amino.

29. The method of claim 1 , wherein the compound is a compound having Formula IIa or IIb:

or pharmaceutically acceptable salt thereof.

30. The method of claim 1 , wherein the compound is selected from:

2-tert-butyl-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-cyclopropyl-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-cyclohexyl-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

10-fluoro-2-isobutyl-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-cyclopentyl-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

10-fluoro-2-(tetrahydrofuran-3-yl)-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-cyclohex-3-en-1-yl-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

Trans ethyl (1R,S)-2-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclopropanecarboxylate;

2-bicyclo[2.2.1]hept-5-en-2-yl-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

[(1S)-2-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclopropyl]methanol;

2-(1-ethylpentyl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

4-ethyl-4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)hexanenitrile;

2-cyclopentyl-10,11-difluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-(1-ethylpentyl)-10,11-difluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

3-[1-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexyl]propanenitrile;

4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)-4-methylpentanenitrile;

2-(1-ethylpropyl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

10-fluoro-2-[2-(methylthio)ethyl]-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

10-fluoro-2-[2-(methylsulfinyl)ethyl]-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-[(benzyloxy)methyl]-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

Cis-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexyl]methanol;

Trans-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexyl]methanol;

Cis-4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexanol;

Trans-4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexanol;

Trans-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexyl]acetonitrile;

2-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)cyclohexyl]acetamide;

tert-butyl 4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidine-1-carboxylate;

10-fluoro-2-piperidin-4-yl-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

3-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidin-1-yl]-3-oxopropanenitrile;

2-(1-acetylpiperidin-4-yl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

10-fluoro-2-[1-(methylsulfonyl)piperidin-4-yl]-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidin-1-yl]acetonitrile;

ethyl [4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidin-1-yl]acetate;

2-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidin-1-yl]ethanol;

3-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidin-1-yl]propan-1-ol;

4-[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)piperidin-1-yl]butanenitrile;

10-fluoro-2-[3-methyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-[3-(difluoromethyl)-5-methyl-1H-pyrazol-4-yl]-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-(3,5-dimethyl-1H-pyrazol-4-yl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-(3,5-diethyl-1H-pyrazol-4-yl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

[4-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetonitrile;

2-(2-chloro-6-methylphenyl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-(10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepin-2-yl)-3-methylbenzonitrile;

2-(2,6-dimethylphenyl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

2-(3,5-dichloropyridin-4-yl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine; and

2-(2,4-dimethylpyridin-3-yl)-10-fluoro-3,8-dihydroimidazo[4,5-d]pyrido[2,3-b][1]benzazepine;

or a pharmaceutically acceptable salt thereof.

31. The method of claim 1 , wherein the compound is selected from:

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-ethylhexanenitrile;

2-[4-(hydroxymethyl)-cyclohexyl]-imidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

[4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)cyclohexyl]methanol;

[4-(3-hydroxy-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)cyclohexyl]acetonitrile;

[4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)cyclohexyl]acetonitrile;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-methylbutanenitrile;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-ethylpentanenitrile;

[3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)cyclopentyl]acetonitrile;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)cyclopentanecarbonitrile;

2-(3,5-dichloropyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-fluoro-6-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-chloro-2-fluoro-3-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-fluoro-6-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-6-fluoro-3-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-chloro-2-fluoro-6-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-6-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-chloro-5-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,5-dichlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-dibromopyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-bromophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-ethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,5-dimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-chloro-3-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,5-bis(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-chloro-2,6-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,3-dichlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3-[[4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-ylphenyl](ethyl)amino]propanenitrile;

2-(2-chloro-3,6-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-bromopyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-bromo-2,3-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-chloro-2-fluoro-5-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-chloropyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,3-dimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-fluoro-3-(trifluoromethyl) phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-fluoro-2-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-bromo-2-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-fluoro-5-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-fluoro-3-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-fluoro-5-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,3-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-quinolin-4-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-fluoro-2-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-bromo-2-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,5-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,5-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-dimethyl-1H-pyrrol-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(4-methyl-1H-imidazol-5yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3,5-dimethoxyphenol;

2-(2-pentafluoroethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-bromo-1,3-benzodioxo1-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-phenylpentanenitrile;

2-[2-fluoro-4-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(cyclohexylmethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3-bromo-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-6-methoxyphenol;

2-(2-fluoropyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-biphenyl-2-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

methyl-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzoate;

2-[2-(ethylthio)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1H-pyrrol-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-{4-[(trifluoromethyl)thio]phenyl}-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-naphthyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

tert-butyl[1-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-2-phenethyl]carbamate;

2-pyrrolidin-2-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-6-methoxyquinolin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1-acetylpyrrolidin-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1,3-thiazol-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

1-acetyl-5-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)pyrrolidin-3-ol;

N-[1-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)ethyl]acetamide;

tert-butyl 2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-hydroxypyrrolidine-1-carboxylate;

N-[4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenyl]acetamide;

2-[4-(difluoromethoxy)phenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-chloropyridin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

6-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-2(methylthio)nicotinonitrile;

2-(3-fluoropyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-methoxypyridin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-bromopyridin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-bromopyridin-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1H-imidazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-(methylthio)ethyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(piperidin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3-[4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)piperidin-1-yl]-3-oxopropanenitrile;

3-[3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)piperidin-1-yl]-3-oxopropanenitrile;

3-(4-((3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)methyl)piperidin-1-yl)-3-oxopropanenitrile;

3-(3-((3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)methyl)piperidin-1-yl)-3-oxopropanenitrile;

2-[1-(trifluoroacetyl)piperidin-4-yl]3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[1-(trifluoroacetyl)piperidin-3-yl]3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-{[1-(trifluoroacetyl)piperidin-4-yl]methyl}-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-{[1-(trifluoroacetyl)piperidin-3-yl]methyl}-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1-acetylpiperidin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)piperidine-1-carbaldehyde;

2-[(1-acetylpiperidin-4-yl)methyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[(1-acetylpiperidin-3-yl)methyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1-methylpiperidin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

4-(3-hydroxy-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

2-pyridin-3-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-pyridin-3-ylimidazo [4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-pyridin-2-ylimidazo [4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-pyridin-4-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-pyridin-4-ylimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-piperidin-3-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[4-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[6-(trifluoromethyl)pyridine-3-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-dimethylisoxazol-4-yl)imidazo [4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-[4-(methylthio)phenyl]-3,8- dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[4-(methylthio)phenyl]imidazo [4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-[4-(methylsulfonyl)phenyl]-3,8- dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1H-imidazol-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1-methyl-1H-imidazol-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-phenyl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-phenylimidazo [4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-benzyl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-benzylimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-(2-phenethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-phenethyl)imidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-piperidin-4-yl-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-piperidin-4-yl imidazo [4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-(piperidin-4-ylmethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(piperidin-4-ylmethyl)imidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-(piperidin-3-ylmethyl)-3,8- dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(tetrahydro-2H-pyran-4-ylmethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(tetrahydro-2H-pyran-4-ylmethyl)imidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-(tetrahydro-2H-thiopyran-4-ylmethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(tetrahydro-2H-thiopyran-4-ylmethyl)imidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3(8H)-ol;

2-[5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-(difluoromethyl)-5-methyl-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[1-(4-methoxybenzyl)-5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[1,5-dimethyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[1-ethyl-5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[1-(cyclopropylmethyl)-5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-methyl-5-(pentafluoroethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-N,N,5-trimethyl-3-(trifluoromethyl)-1H-pyrazole-1-sulfonamide;

2-[3-[chloro(difluoro)methyl]-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-(difluoromethyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-dimethyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-isobutyl-5-methyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-ethyl-5-methyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-butyl-5-methyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-diethyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-cyclopropyl-3-methyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-6-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-methylbenzonitrile;

2-(2,4-dimethyl-3-thienyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[4-methylsulfinyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[4-(ethylthio)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-(5-methyl-2-furyl)propyl]-3,8-dihydroimidazo[4 ,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1-benzothien-5-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dimethyl-1,3-thiazol-5-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3-f]azepine;

2-(5-methyl-3-phenylisoxazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(4-chloro-1-methyl-1H-pyrazol-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1,3,5-trimethyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-chloro-1,3-dimethyl-1H-pyrazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-dimethylisoxazol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[1-(2-methoxyethyl)-2,5-dimethyl-1H-pyrrol-3-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(1-cyclopropyl-2,5-dimethyl-1H-pyrrol-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,5-dimethoxy-4-(methylthio)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(trifluoromethyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dimethoxy-3-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-(methylthio)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-ethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,3,4,5,6-pentamethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-methyl-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenol;

2-(2,5-dimethyl-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-3,4-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,3-dimethyl-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichloro-3,4-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2,4-dichloro-3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-6-methoxyphenol;

2-(2,4,5-trimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dichlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-4-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-(trifluoromethoxy)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-(difluoromethoxy)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-methoxypyridin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[4-fluoro-2-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4,6-trimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-chloro-3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-6-methoxyphenol;

2-(3-methylpyridin-2-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-ethoxy-N,N-diethylaniline;

2-(2,5-dimethoxy-4-bromophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-isobutoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)pyridine-2-amine;

2-(1H-indol-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-{2-[(trifluormethyl)thio]phenyl}-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-bromo-3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenol;

2-[2-chloro-4-(methylsulfonyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,2-difluoro-1,3-benzodioxo1-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3,5-dimethylphenol;

2-(2-chloro-4,6-dimethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-chlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[3-fluoro-5-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,5-dichlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-chloro-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-chloro-1,3-benzodioxol-5-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(4-chloro-2,6-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-chloro-2,3-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichloro-3-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-6-fluoro-3-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4,6-trifluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2-methoxy-4-(trifluoromethoxy)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-chloro-4-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(4-fluoro-2-methylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dichloro-6-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichloro-3-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichloro-4-methylthiophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(methylsulfinyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(methylsulfonyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(6-chloro-2-fluoro-3-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-chloro-6-fluoro-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenyl]methanol;

[3,5-difluoro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenyl]methanol;

3,5-dichloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenol;

5-chloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)nicotinonitrile;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)pyridine-3,5-dicarbonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-fluoro-6-methylbenzonitrile;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)nicotinonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3,6-difluorobenzonitrile;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-2-fluoro-4-(trifluoromethyl)benzonitrile;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-methoxybenzonitrile;

6-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-2,3-dimethoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4,5-dimethoxyisophthalonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-hydroxy-5-methoxyisophthalonitrile;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-2,5-dimethoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(methylsulfonyl)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3,5-dimethoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3,5-difluorobenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3,4-difluorobenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-fluoro-6-methoxybenzonitrile;

5-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-2-fluorobenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-fluoro-4-methoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-3-fluoro-5-methoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(methylthio)isophthalonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(hydroxymethyl)isophthalonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(hydroxymethyl)benzonitrile;

[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenyl]acetonitrile;

5-(cyanomethyl)-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)isophthalonitrile;

5-(cyanomethyl)-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(methylsulfinyl)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)5-(methylsulfonyl)isophthalonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-hydroxybenzonitrile;

1-[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenyl]-N,N-dimethylmethanamine;

2-[2,6-dichloro-4-(morpholin-4-ylmethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(thiomorpholin-4-ylmethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(methoxymethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(ethylthio)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(isopropylthio)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(ethylsulfinyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(ethylsulfonyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(isopropylsulfinyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(isopropylsulfonyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(isopropylsulfonyl)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(ethylthio)isophthalonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(ethylthio)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(isopropylthio)isophthalonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(isopropylthio)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(isopropylsulfinyl)isophthalonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(isopropylsulfinyl)benzonitrile;

2-[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]acetonitrile;

2-[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]propanenitrile;

5-(1-cyanoethoxy)-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)isophthalonitrile;

5-(1-cyanoethoxy)-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

5-(cyanomethoxy)-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)isophthalonitrile;

2-[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]propanamide;

2-[3,5-dicyano-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]propanamide;

5-(2-amino-1-methyl-2-oxoethoxy)-3-cyano-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzamide;

5-(2-amino-1-methyl-2-oxoehtoxy)-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)isophthalamide;

2-[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]acetamide;

2-[3,5-dicyano-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]acetamide;

2-cyano-2-[3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenoxy]-N,N-dimethylacetamide;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)isophthalonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-hydroxybenzonitrile;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-1,3-benzodioxole-5-carbonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

3-fluoro-4-methyl-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

3-fluoro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

3-methoxy-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

5-fluoro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

3-chloro-6-methoxy-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)benzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-4-methoxyisophthalonitrile;

tert-butyl [4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)pyridine-3-yl]carbamate;

tert-butyl [4-(3-hydroxy-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)pyridin-3-yl]carbamate;

2-(3,5-dimethylpyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)phenol;

2-(2,6-dichloro-4-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichloro-4-ethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,6-dichloro-4-isopropoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(trifluoromethoxy)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(3-methylpyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2-methylpyridin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,4-dimethylpyridin-3-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-chloro-2-ethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-chloro-2-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(5-bromo-2-ethoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-(2,3-difluoro-6-methoxyphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

2-[2,6-dichloro-4-(trifluoromethyl)phenyl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3,5-dichloro-4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-N,N-dimethylaniline;

2-(2,6-dichloro-4-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepine;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-methoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-methoxyisophthalonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-ethoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-ethoxyisophthalonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-isopropoxybenzonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-isopropoxyisophthalonitrile;

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′3′4]azepin-2-yl)-5-(trifluoromethoxy)isophthalonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(trifluoromethyl)benzonitrile;

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-(dimethylamino)benzonitrile; and

3-chloro-2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-2-yl)-5-fluorobenzonitrile;

or a pharmaceutically acceptable salt thereof.

32. The method of claim 1 , wherein the compound is selected from:

2-(3,5-dichloropyridin-4-yl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-(2,6-dichlorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-(2,6-difluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-(2-chloro-6-fluorophenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-(2,6-dimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

4-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-2-yl)-4-ethylhexanenitrile;

2-[1-(4-methoxybenzyl)-5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]imidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-3(8H)-ol;

2-[1-(4-methoxybenzyl)-5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-[5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]imidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-3(8H)-ol;

2-[5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-(2,3-dimethylphenyl)imidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-3(8H)-ol;

2-(2,3-dimethylphenyl)-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepine;

2-[2-(dimethylamino)-pyridin-3-yl]imidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-3(8H)-ol;

3-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-2-yl)-N,N-dimethylpyridin-2-amine; and

2-(3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b:3′,4′-f]azepin-2-yl)-3-fluorobenzonitrile;

or a pharmaceutically acceptable salt thereof.

33. The method of claim 1 , wherein the compound is 2-(2,6-dichlorophenyl)-2,8-dihydropyrazolo[3,4-d]dipyrido[2,3-b:3′,4′-f]azepine, or pharmaceutically acceptable salt thereof.