Pyrazolo pyridine derivatives as NADPH oxidase inhibitors

1. A method for treating a patient suffering from a liver disease selected from the group consisting of liver fibrosis, alcohol induced fibrosis, steatosis and non-alcoholic steatohepatitis comprising administering a pyrazolo pyridine derivative according to Formula (I):

wherein G 1 is selected from H; optionally substituted acyl; optionally substituted acyl C 1 -C 6 alkyl; optionally substituted alkyl C 3 -C 8 -cycloalkyl alkyl; optionally substituted heterocycloalkyl alkyl; optionally substituted aryl alkyl; and optionally substituted heteroaryl alkyl; G 2 is selected from H; optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; optionally substituted aryl; optionally substituted optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl aryl; optionally substituted aryl C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkenyl heteroaryl; optionally substituted heteroaryl C 2 -C 6 alkenyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted heterocycloalkyl; optionally substituted alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; G 3 is selected from H; optionally substituted amino; optionally substituted aminoalkyl; optionally substituted aminocarbonyl; optionally substituted alkoxy; optionally substituted alkoxy C 1 -C 6 alkyl; optionally substituted carbonyl; optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; optionally substituted aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl aryl; optionally substituted aryl C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkenyl heteroaryl; optionally substituted heteroaryl C 2 -C 6 alkenyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; G 4 is selected from —NR 2 —C(O)—R 1 and —(CHR 3 ) m —(CH 2 ) n —R 4 , wherein R 1 is selected from H; amino; —NR 5 R 6 ; optionally substituted alkoxy; optionally substituted alkoxy C 1 -C 6 alkyl; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; R 2 is selected from H; optionally substituted alkoxy C 1 -C 6 alkyl; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; optionally substituted heterocycloalkyl C 1 -C 6 alkyl; R 3 is selected from H; halogen; optionally substituted alkoxy; optionally substituted alkoxy C 1 -C 6 alkyl aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; R 4 is selected from H; —C(O)R 7 ; -A-B; —CHR 8 R 9 and —(CH 2 )q-E; R 5 and R 6 are independently selected from H; optionally substituted alkoxy C 1 -C 6 alkyl; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl or —NR 5 R 6 form together a ring selected from optionally substituted heteroaryl and optionally substituted heterocycloalkyl; R 7 is selected from optionally substituted amino; optionally substituted alkoxy; optionally substituted aminoalkyl; optionally substituted alkoxy C 1 -C 6 alkyl; optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; —NR 5 R 6 ; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; R 8 and R 9 are independently selected from optionally substituted aryl; optionally substituted heteroaryl; optionally substituted C 3 -C 8 -cycloalkyl and optionally substituted heterocycloalkyl; R 10 is selected from optionally substituted aryl and optionally substituted heteroaryl; R 11 and R 12 are independently selected from H; optionally substituted acyl; optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl or —NR 11 R 12 form together a ring selected from optionally substituted heteroaryl and optionally substituted optionally substituted heterocycloalkyl; R 13 is selected from optionally substituted aryl; optionally substituted heteroaryl; optionally substituted C 3 -C 8 -cycloalkyl and optionally substituted heterocycloalkyl; R 14 , R 15 and R 16 are independently selected from H and optionally substituted C 1 -C 6 alkyl; R 17 is selected from optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; A is selected from optionally substituted aryl, and optionally substituted heteroaryl; B is selected from —OR 10 , —NR 11 R 12 and —(CH2)p-R 13 ; E is selected from optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 2 -C 6 alkynyl; —NR 14 R 15 ; and —NR 16 C(O)—R 17 ; m, n, p and q are integers selected from 0 to 5; wherein when m is 0 and R 4 is H, then n is 1; G 5 is selected from H; optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl aryl; optionally substituted aryl C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkenyl heteroaryl; optionally substituted heteroaryl C 2 -C 6 alkenyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; or a tautomer, geometrical isomer, enantiomer, diastereomer, racemate or pharmaceutically acceptable salts thereof, to a patient suffering from a liver disease selected from the group consisting of liver disease is liver fibrosis, alcohol induced fibrosis, steatosis or non-alcoholic steatohepatitis.

2. The method according to claim 1 , wherein said liver disease is liver fibrosis.

3. The method according to claim 1 , wherein G 1 is H.

4. The method according to claim 1 , wherein G 2 is optionally substituted aryl.

5. The method according to claim 1 , wherein G 3 is optionally substituted aryl.

6. The method according to claim 1 , wherein G 4 is —NR 2 —C(O)—R 1 ; wherein R1 is selected from H; amino; —NR5R6; optionally substituted alkoxy; optionally substituted alkoxy C1-C6 alkyl; optionally substituted aryl; optionally substituted C1-C6 alkyl aryl; optionally substituted aryl C1-C6 alkyl; optionally substituted heteroaryl; optionally substituted C1-C6 alkyl heteroaryl; optionally substituted heteroaryl C1-C6 alkyl; optionally substituted C3-C8-cycloalkyl; optionally substituted C1-C6 alkyl C3-C8-cycloalkyl; optionally substituted C3-C8-cycloalkyl C1-C6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C1-C6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C1-C6 alkyl; R2 is selected from H; optionally substituted alkoxy C1-C6 alkyl; optionally substituted aryl; optionally substituted C1-C6 alkyl aryl; optionally substituted aryl C1-C6 alkyl; optionally substituted heteroaryl; optionally substituted C1-C6 alkyl heteroaryl; optionally substituted heteroaryl C 1-C6 alkyl; optionally substituted C3-C8-cycloalkyl; optionally substituted C1-C6 alkyl C3-C8-cycloalkyl; optionally substituted C3-C8-cycloalkyl C1-C6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C1-C6 alkyl heterocycloalkyl; optionally substituted heterocycloalkyl C1-C6 alkyl.

7. The method according to claim 1 , wherein G 4 is —(CHR 3 ) m —(CH 2 ) n —R 4 ; R 3 is selected from H; halogen; optionally substituted alkoxy; optionally substituted alkoxy C 1 -C 6 alkyl aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; R 4 is selected from H; —C(O)R 7 ; -A-B; —CHR 8 R 9 and —(CH 2 )q-E; m, n and q are integers selected from 0 to 5; wherein when m is 0 and R 4 is H, then n is 1.

8. The method according to claim 7 , wherein G 4 is —(CHR 3 ) m —(CH 2 ) n —R 4 ; R 4 is H, R 3 is selected from H; halogen; optionally substituted alkoxy; optionally substituted alkoxy C 1 -C 6 alkyl aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl; m and n are integers selected from 0 to 5; wherein when m is 0 and R 4 is H, then n is 1.

9. The method according to claim 1 , wherein R 4 is —C(O)R 7 ; R 7 is selected from optionally substituted amino; optionally substituted alkoxy; optionally substituted aminoalkyl; optionally substituted alkoxy C 1 -C 6 alkyl; optionally substituted C 1 -C 6 alkyl; optionally substituted C 2 -C 6 alkenyl; optionally substituted C 2 -C 6 alkynyl; —NR 5 R 6 ; optionally substituted aryl; optionally substituted C 1 -C 6 alkyl aryl; optionally substituted aryl C 1 -C 6 alkyl; optionally substituted heteroaryl; optionally substituted C 1 -C 6 alkyl heteroaryl; optionally substituted heteroaryl C 1 -C 6 alkyl; optionally substituted C 3 -C 8 -cycloalkyl; optionally substituted C 1 -C 6 alkyl C 3 -C 8 -cycloalkyl; optionally substituted C 3 -C 8 -cycloalkyl C 1 -C 6 alkyl; optionally substituted heterocycloalkyl; optionally substituted C 1 -C 6 alkyl heterocycloalkyl; and optionally substituted heterocycloalkyl C 1 -C 6 alkyl.

10. The method according to claim 1 , wherein R 4 is -A-B.

11. The method according to claim 1 , wherein R 4 is —CHR 8 R 9 ; R 8 and R 9 are independently selected from optionally substituted aryl; optionally substituted heteroaryl; optionally substituted C 3 -C 8 -cycloalkyl and optionally substituted heterocycloalkyl.

12. The method according to claim 1 , wherein R 4 is —(CH 2 )q-E.

13. The method according to claim 1 , wherein G 5 is H.

14. The method according to claim 1 selected from the following compounds:

2-(2-chlorophenyl)-4-methyl-5-(2-morpholin-4-ylbenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-{4-[(4-methylpiperazin-1-yl)methyl]benzyl}-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-(2-morpholin-4-yl-2-phenylethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4,5-dimethyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-fluorophenyl)-4,5-dimethyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-methyl-5-(3-phenoxybenzyl)-2-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4,5-dimethyl-2-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4,5-dimethyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H5H)-dione;

N-2-(2-chlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-2-(4-fluorophenoxy)acetamide;

2-(2-chlorophenyl)-4-methyl-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-fluorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-fluorophenyl)-4-methyl-5-[(6-morpholin-4-ylpyridin-2-yl)methyl]-1H-pyrazol[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-fluorophenyl)-4-methyl-5-[4-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-[(6-morpholin-4-ylpyridin-2-yl)methyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

3-(4,5-dimethyl-3,6-dioxo-1,3,5,6-tetrahydro-2H-pyrazolo[4,3-c]pyridin-2-yl)benzonitrile;

2-(2-fluorophenyl)-4-methyl-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-[(6-morpholin-4-ylpyridin-2-yl)methyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-[4-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[2-(2-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-(2-chlorophenyl)-4-methyl-5-[4-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-methyl-5-(3-phenoxybenzyl)-2-[1,2,4]triazolo[4,3-b]pyridazin-6-yl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[4-(benzyloxy)phenyl]-4,5-dimethyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[4-(benzyloxy)phenyl]-4-methyl-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

3-{4-methyl-5-[4-(morpholin-4-ylmethyl)benzyl]-3,6-dioxo-1,3,5,6-tetrahydro-2H-pyrazolo[4,3-c]pyridin-2-yl}benzonitrile;

2-[2-(2-chlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-[2-(3-cyanophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-[2-(3chlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2,4-dimethyl-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-5-[3-(diethylamino)propyl]-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-5-(cyclohexylmethyl)-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-(3-morpholin-4-yl-3-phenylpropyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-(3-phenylprop-2-yn-1-yl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chloro-4-fluorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4,5-dimethyl-2-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-fluorophenyl)-4-methyl-5-(3-morpholin-4-yl-3-phenylpropyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2,5-dichlorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2,5-dichlorophenyl)-4-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-{2-[2-(2,5-dichlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]ethyl}acetamide;

2-(2-chloro-4-fluorophenyl)-4-(methoxymethyl)-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-5-[2-(dimethylamino)ethyl]-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[4-(benzyloxy)phenyl]-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chlorophenyl)-4-methyl-5-[2-(4-methylpiperazin-1-yl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H-5H)-dione;

2-(3,4-dichlorophenyl)-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

5-[2-(4-benzylpiperazin-1-yl)-2-oxoethyl]-2-(2,5-dichlorophenyl)-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-(3-phenylprop-2-yn-1-yl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-benzyl-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3,4-dichlorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chloro-4-fluorophenyl)-4,5-dimethyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[4-(benzyloxy)phenyl]-4-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3,4-dichlorophenyl)-4-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

methyl[2-(2,5-dichlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]acetate;

N-{3-[2-(2,3-dichlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]phenyl}acetamide;

2-(2,3-dichlorophenyl)-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-{3-[2-(3-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]phenyl}acetamide;

5-[2-(4-benzylpiperazin-1-yl)-2-oxoethyl]-2-(3,4-dichlorophenyl)-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2,4-dimethyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2,4-dimethyl-5-(3-morpholin-4-yl-3-phenylpropyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-{3-[2-(2-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]phenyl}acetamide;

2-(2,4-dimethyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl)-N-(pyridin-2-ylmethyl)acetamide;

2-(3-chloro-4-fluorophenyl)-4-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(3-chloro-4-fluorophenyl)-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chloro-4-fluorophenyl)-4-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

5-[2-(4-benzylpiperazin-1-yl)-2-oxoethyl]-2-(2-chloro-4-fluorophenyl)-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[4-(benzyloxy)phenyl]-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2,3-dichlorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chloro-4-fluorophenyl)-4-methyl-5-[2-(4-methylpiperazin-1-yl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-(3-{[2-(3-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]methyl}phenyl)acetamide;

5-[2-(4-benzylpiperazin-1-yl)-2-oxoethyl]-2-(3-chloro-4-fluorophenyl)-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-(3-{[2-(2-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]methyl}phenyl)acetamide;

2-(2-chloro-4-fluorophenyl)-4-methyl-5-[4-(4-methylpiperazin-1-yl)-4-oxobutyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

3-{4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-3,6-dioxo-1,3,5,6-tetrahydro-2H-pyrazolo[4,3-c]pyridin-2-yl}benzonitrile;

N-{2-[2-(3-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]ethyl}-4-fluorobenzamide;

N-{2-[2-(2-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro -5H-pyrazolo[4,3-c]pyridin-5-yl]ethyl}-4-fluorobenzamide;

2-[2-(2-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

N-(2-{2-[4-(benzyloxy)phenyl]-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl}ethyl)-4-fluorobenzamide;

2-(3-chloro-4-fluorophenyl)-4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-(3-{4-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-3,6-dioxo-1,3,5,6-tetrahydro-2H-pyrazolo[4,3-c]pyridin-2-yl}phenyl)acetamide;

2-(4-chlorophenyl)-4-methyl-5-(3-phenoxybenzyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[2-(3-chloro-4-fluorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-[4-butyl-2-(3-chloro -4-fluorophenyl)-3,6-dioxo-1,2,3,6-tetrahydro -5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-[2-(2,3-dichlorophenyl)-4-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-[2,4-bis(3-chlorophenyl)-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

2-[4-(3-chlorophenyl)-2-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

N-(3-{[4-(3-chlorophenyl)-2-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]methyl}phenyl)acetamide;

2-(2-chlorophenyl)-4-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(3-chlorophenyl)-2-methyl-5-(2-morpholin-4-yl-2-oxoethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(4-chlorophenyl)-2-methyl-5-[4-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(3-chlorophenyl)-2-methyl-5-[3-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-[4-(4-chlorophenyl)-2-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]-N-(pyridin-2-ylmethyl)acetamide;

4-(3-chlorophenyl)-2-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(3-chlorophenyl)-2-methyl-5-[4-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(3-chlorophenyl)-2-methyl-5-[2-(4-methylpiperazin-1-yl)-2-oxoethyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-methyl-5-[2-(4-methylpiperazin-1-yl)-2-oxoethyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(4-chlorophenyl)-2-methyl-5-[2-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-(3-{[4-(4-chlorophenyl)-2-methyl -3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]methyl}phenyl)acetamide;

4-(4-chlorophenyl)-2-methyl-5-[3-(morpholin-4-ylmethyl)benzyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(4-chlorophenyl)-2-methyl-5-[(6-morpholin-4-ylpyridin-2-yl)methyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

N-{2-[4-(4-chlorophenyl)-2-methyl-3,6-dioxo-1,2,3,6-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]ethyl}acetamide;

4-(4-chlorophenyl)-5-[3-(dimethylamino)benzyl]-2-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-(4-chlorophenyl)-2-methyl-5-[(6-pyrrolidin-1-ylpyridin-2-yl)methyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-(4-chlorophenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-(2-fluorophenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-(4-chlorophenyl)-5-[3-(dimethylamino)propyl]-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-[3-(dimethylamino)phenyl]-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-5-methyl-4-(3-morpholin-4-ylphenyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

2-(2-chlorophenyl)-4-[1-(3,4-difluorophenoxy)ethyl]-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione;

4-[1-(benzyloxy)ethyl]-2-(2-chlorophenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione; or

4-[3-(dimethylamino)phenyl]-2-(2-methoxyphenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione.

15. The method of claim 1 , wherein the compound of Formula (I) is 2-(2-chlorophenyl)-4-[3-(dimethylamino)phenyl]-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione.

16. The method of claim 2 , wherein the compound of Formula (I) is 2-(2-chlorophenyl)-4-[3-(dimethylamino)phenyl]-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione.

17. The method according to claim 1 , wherein said liver disease is alcohol induced fibrosis.

18. The method according to claim 1 , wherein said liver disease is steatosis.

19. The method according to claim 1 , wherein said liver disease is non-alcoholic steatohepatitis.

20. A method for treating a patient suffering from a liver disease selected from the group consisting of liver fibrosis, alcohol induced fibrosis, steatosis and non-alcoholic steatohepatitis comprising administering a pyrazolo pyridine derivative selected from 2-(2-chlorophenyl)-5-[2(4hydroxyphenyl)ethyl]-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione and 2-(3-chlorophenyl)-5-(3-hydroxypropyl)-4-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione to a patient suffering from a liver disease selected from the group consisting of liver fibrosis, alcohol induced fibrosis, steatosis or non-alcoholic steatohepatitis.