IP Library Patent Application 18043117
Patent Application
App. No. 18/043,117

COMPOUNDS, COMPOSITIONS AND METHODS FOR HISTONE LYSINE DEMETHYLASE INHIBITION

Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US None
App. No.
18/043,117
Abstract

The present disclosure relates generally to compounds and pharmaceutical compositions for the selective inhibition of histone lysine demethylase5 (KDM5), particularly KDM5B, and methods of their use in treating conditions and diseases associated with KDM5 activity.

Claims (72)

1 . A compound of formula I:

or a pharmaceutically acceptable salt, isotopically enriched analog, stereoisomer, mixture of stereoisomers or prodrug thereof, wherein:

one of W or X is N and the other of W and X is CR 4 ; or W and X are CR 4 ;

R 1 is hydrogen, —P(O)(OR 20 ) 2 , —CH 2 P(O)(OR 20 ) 2 , —P(O)(R 20 )(OR 20 ), —CH 2 P(O)(R 20 )(OR 20 ), —P(O)(N(R 20 ) 2 )(OR 20 ), —CH 2 P(O)(N(R 20 ) 2 )(OR 20 ), —P(O)(R 20 )(N(R 20 ) 2 ), —CH 2 P(O)(R 20 )(N(R 20 ) 2 ), —C(O)R 20 , —C(O)N(R 2 )(R 22 ), —CH 2 P(O)(N(R 20 ) 2 ) 2 , or —P(O)(N(R 20 ) 2 ) 2 ;

R 2 is —OH, —OCH 2 P(O)(OR 20 ) 2 , —OCH 2 P(O)(R 20 )(N(R 20 ) 2 ), —OCH 2 P(O)(R 20 )(OR 20 ), —OCH 2 P(O)(N(R 20 ) 2 )(OR 20 ), —OCH 2 P(O)(N(R 20 ) 2 ) 2 , —N(R 21 )(R 22 ), —N(R 20 )C(O)R 20 , —N(R 20 )C(O)OR 20 , —N(R 20 )C(O)N(R 21 )(R 21 ), —N(R 20 )S(O) 2 (R 20 ), —NR 20 S(O) 2 N(R 2 )(R 22 ), or —NR 20 S(O) 2 O(R 20 )

R 3 is halo, cyano, or C 1-6 haloalkyl;

each R 4 is independently hydrogen, halo, cyano, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, C 3-10 cycloalkyl, C 3-10 cycloalkenyl, heterocyclyl, aryl, or heteroaryl; wherein each alkyl, alkenyl, alkynyl, haloalkyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 4 is independently optionally substituted with 1-5 R 14 ;

R 5 is halo, cyano, -L-C 1-6 alkyl, -L-C 1-6 haloalkyl, -L-C 3-10 cycloalkyl, -L-C 3-10 cycloalkenyl, -L-heterocyclyl, -L-aryl, or -L-heteroaryl; wherein each alkyl, haloalkyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 5 is independently optionally substituted with 1-5 R 15 ;

L is a bond, —C 1-6 alkylene, —C 1-6 heteroalkylene, —O—, —S—, —S(O)—, —S(O) 2 —, —NR 16 —, —C(O)NR 16 —, —NR 16 C(O)—, —OC(O)—, or —C(O)O—;

each of R 6 , R 7 , R 8 , and R 9 are independently hydrogen, deuterium, C 1-6 alkyl, or C 1-6 haloalkyl;

each of R 14 and R 15 are independently hydroxy, halo, cyano, —NO 2 , C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, C 1-6 alkoxy, C 1-6 haloalkoxy, C 3-10 cycloalkyl, aryl, benzyl, heteroaryl, heterocyclyl, —N(R 16 ) 2 , —C(O)R 16 , —C(O)OR 16 , —S—R 16 , S(O)R 16 , —NR 16 S(O)R 16 , —S(O)N(R 16 ) 2 , —NR 16 S(O)N(R 16 ) 2 , —S(O) 2 R 16 , —NR 16 S(O) 2 —R 16 , —S(O) 2 N(R 16 ) 2 , —NR 16 S(O) 2 N(R 16 ) 2 , —NR 16 C(O)N(R 16 ) 2 , —C(O)N(R 16 ) 2 , —NR 16 C(O)R 16 , —OC(O)N(R 16 ) 2 , or —NR 16 C(O)OR 16 ;

each R 16 is independently hydrogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, C 1-6 heteroalkyl, C 3-10 cycloalkyl, heterocyclyl, aryl, or heteroaryl; wherein each C 1-6 alkyl, C 2-6 alkenyl, C 2 -6 alkynyl, C 1-6 haloalkyl, C 1-6 heteroalkyl, C 3-10 cycloalkyl, heterocyclyl, aryl, or heteroaryl of R 16 is independently optionally substituted with 1-5 halo, cyano, —NO 2 , oxo, —SF 5 , C 1-6 alkyl, C 1-6 haloalkyl, C 1-6 alkoxy, C 1-6 haloalkoxy, C 3-10 cycloalkyl, aryl, benzyl, heteroaryl, or heterocyclyl;

each R 20 is independently hydrogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, aryl, heteroaryl, or heterocyclyl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, or heterocyclyl is independently optionally substituted with 1-5 R 30 ;

each R 21 and R 22 is independently hydrogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, aryl, heteroaryl, or heterocyclyl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, or heterocyclyl is independently optionally substituted with 1-5 R 30 groups, or R 20 and R 21 together with the nitrogen to which they are attached form a heterocyclyl; wherein said heterocyclyl is independently optionally substituted with 1-5 R 30 ;

each R 30 is independently oxo, thioxo, hydroxy, halo, —NO 2 , —N 3 , cyano, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 1-6 haloalkyl, aryl, heteroaryl, heterocyclyl, —O(C 1-6 alkyl), —O(C 2-6 alkenyl), —O(C 2-6 alkynyl), —O(C 3-10 cycloalkyl), —O(C 1-6 haloalkyl), —O(aryl), —O(heteroaryl), —O(heterocyclyl), —NH 2 , —NH(C 1-6 alkyl), —NH(C 2-6 alkenyl), —NH(C 2-6 alkynyl), —NH(C 3-10 cycloalkyl), —NH(C 1-6 haloalkyl), —NH(aryl), —NH(heteroaryl), —NH(heterocyclyl), —N(C 1-6 alkyl) 2 , —N(C 3-10 cycloalkyl) 2 , —N(C 2-6 alkenyl) 2 , —N(C 2-6 alkynyl) 2 , —N(C 3-10 cycloalkyl) 2 , —N(C 1-6 haloalkyl) 2 , —N(aryl) 2 , —N(heteroaryl) 2 , —N(heterocyclyl) 2 , —N(C 1-6 alkyl)(C 3-10 cycloalkyl), —N(C 1-6 alkyl)(C 2-6 alkenyl), —N(C 1-6 alkyl)(C 2-6 alkynyl), —N(C 1-6 alkyl)(C 3-10 cycloalkyl), —N(C 1-6 alkyl)(C 1-6 haloalkyl), —N(C 1-6 alkyl)(aryl), —N(C 1-6 alkyl)(heteroaryl), —N(C 1-6 alkyl)(heterocyclyl), —C(O)(C 1-6 alkyl), —C(O)(C 2-6 alkenyl), —C(O)(C 2-6 alkynyl), —C(O)(C 3-10 cycloalkyl), —C(O)(C 1-6 haloalkyl), —C(O)(aryl), —C(O)(heteroaryl), —C(O)(heterocyclyl), —C(O)O(C 1-6 alkyl), —C(O)O(C 2-6 alkenyl), —C(O)O(C 2-6 alkynyl), —C(O)O(C 3-10 cycloalkyl), —C(O)O(C 1-6 haloalkyl), —C(O)O(aryl), —C(O)O(heteroaryl), —C(O)O(heterocyclyl), —C(O)NH 2 , —C(O)NH(C 1-6 alkyl), —C(O)NH(C 2-6 alkenyl), —C(O)NH(C 2-6 alkynyl), —C(O)NH(C 3-10 cycloalkyl), —C(O)NH(C 1-6 haloalkyl), —C(O)NH(aryl), —C(O)NH(heteroaryl), —C(O)NH(heterocyclyl), —C(O)N(C 1-6 alkyl) 2 , —C(O)N(C 3-10 cycloalkyl) 2 , —C(O)N(C 2-6 alkenyl) 2 , —C(O)N(C 2-6 alkynyl) 2 , —C(O)N(C 3-10 cycloalkyl) 2 , —C(O)N(C 1-6 haloalkyl) 2 , —C(O)N(aryl) 2 , —C(O)N(heteroaryl) 2 , —C(O)N(heterocyclyl) 2 , —NHC(O)(C 1-6 alkyl), —NHC(O)(C 2-6 alkenyl), —NHC(O)(C 2-6 alkynyl), —NHC(O)(C 3-10 cycloalkyl), —NHC(O)(C 1-6 haloalkyl), —NHC(O)(aryl), —NHC(O)(heteroaryl), —NHC(O)(heterocyclyl), —NHC(O)O(C 1-6 alkyl), —NHC(O)O(C 2-6 alkenyl), —NHC(O)O(C 2-6 alkynyl), —NHC(O)O(C 3-10 cycloalkyl), —NHC(O)O(C 1-6 haloalkyl), —NHC(O)O(aryl), —NHC(O)O(heteroaryl), —NHC(O)O(heterocyclyl), —NHC(O)NH(C 1-6 alkyl), —NHC(O)NH(C 2-6 alkenyl), —NHC(O)NH(C 2-6 alkynyl), —NHC(O)NH(C 3-10 cycloalkyl), —NHC(O)NH(C 1-6 haloalkyl), —NHC(O)NH(aryl), —NHC(O)NH(heteroaryl), —NHC(O)NH(heterocyclyl), —SH, —S(C 1-6 alkyl), —S(C 2-6 alkenyl), —S(C 2-6 alkynyl), —S(C 3-10 cycloalkyl), —S(C 1-6 haloalkyl), —S(aryl), —S(heteroaryl), —S(heterocyclyl), —NHS(O)(C 1-6 alkyl), —N(C 1-6 alkyl)(S(O)(C 1-6 alkyl), —S(O)N(C 1-6 alkyl) 2 , —S(O)(C 1-6 alkyl), —S(O)(NH)(C 1-6 alkyl), —S(O)(C 2-6 alkenyl), —S(O)(C 2-6 alkynyl), —S(O)(C 3-10 cycloalkyl), —S(O)(C 1-6 haloalkyl), —S(O)(aryl), —S(O)(heteroaryl), —S(O)(heterocyclyl), —S(O) 2 (C 1-6 alkyl), —S(O) 2 (C 2-6 alkenyl), —S(O) 2 (C 2-6 alkynyl), —S(O) 2 (C 3-10 cycloalkyl), —S(O) 2 (C 1-6 haloalkyl), —S(O) 2 (aryl), —S(O) 2 (heteroaryl), —S(O) 2 (heterocyclyl), —S(O) 2 NH(C 1-6 alkyl), or —S(O) 2 N(C 1-6 alkyl) 2 ; wherein each alkyl, cycloalkyl, aryl, heteroaryl, or heterocyclyl of R 30 is optionally substituted with one to four halo, C 1-6 alkyl, C 1-6 haloalkyl, —OH, —NH 2 , —NH(C 1-6 alkyl), —NH(C 3-10 cycloalkyl), —NH(C 1-6 haloalkyl), —NH(aryl), —NH(heteroaryl), —NH(heterocyclyl), —N(C 1-6 alkyl) 2 , —N(C 3-10 cycloalkyl) 2 , —NHC(O)(C 3-10 cycloalkyl), —NHC(O)(C 1-6 haloalkyl), —NHC(O)(aryl), —NHC(O)(heteroaryl), —NHC(O)(heterocyclyl), —NHC(O)O(C 1-6 alkyl), —NHC(O)O(C 2-6 alkynyl), —NHC(O)O(C 3-10 cycloalkyl), —NHC(O)O(C 1-6 haloalkyl), —NHC(O)O(aryl), —NHC(O)O(heteroaryl), —NHC(O)O(heterocyclyl), —NHC(O)NH(C 1-6 alkyl), —S(O)(NH)(C 1-6 alkyl), S(O) 2 (C 1-6 alkyl), —S(O) 2 (C 3-10 cycloalkyl), —S(O) 2 (C 1-6 haloalkyl), —S(O) 2 (aryl), —S(O) 2 (heteroaryl), —S(O) 2 (heterocyclyl), —S(O) 2 NH(C 1-6 alkyl), —S(O) 2 N(C 1-6 alkyl) 2 , —O(C 3-10 cycloalkyl), —O(C 1-6 haloalkyl), —O(aryl), —O(heteroaryl), —O(heterocyclyl), or —O(C 1-6 alkyl);

provided that:

when W and X are both CH, then R 5 and R 3 are not both halo; and

the compound is not 3-bromo-2-hydroxy-5-methoxy-y-oxo-benzenebutanoic acid.

2 . The compound of claim 1 , or a pharmaceutically acceptable salt, isotopically enriched analog, stereoisomer, mixture of stereoisomers or prodrug thereof, represented by formula II:

3 . The compound of claim 1 , wherein X is N and W is CR 4 .

4 . The compound of claim 1 , wherein W is N and X is CR 4 .

5 . The compound of claim 1 , wherein X is N and W is CH.

6 . The compound of claim 1 , wherein W is N and X is CH.

7 . The compound of claim 1 , wherein W and X are CH.

8 . The compound of claim 1 , or a pharmaceutically acceptable salt, isotopically enriched analog, stereoisomer, mixture of stereoisomers or prodrug thereof, represented by formula III:

9 . The compound of claim 1 , wherein R 6 , R 7 , R 8 , and R 9 are hydrogen.

10 . The compound of claim 1 , or a pharmaceutically acceptable salt, isotopically enriched analog, stereoisomer, mixture of stereoisomers or prodrug thereof, represented by formula IV:

11 . The compound of claim 1 , or a pharmaceutically acceptable salt, isotopically enriched analog, stereoisomer, mixture of stereoisomers or prodrug thereof, represented by formula V:

12 . The compound of claim 1 , wherein R 1 is H.

13 . The compound of claim 1 , wherein R 2 is —OH.

14 . The compound of claim 1 , wherein R 5 is -L-C 3-10 cycloalkyl, -L-C 3-10 cycloalkenyl, -L-heterocyclyl, -L-aryl, or -L-heteroaryl; wherein each cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 5 is optionally substituted with 1-3 R 5 .

15 . The compound of claim 1 , wherein R 5 is -L-aryl or -L-heteroaryl; wherein each aryl and heteroaryl of R is optionally substituted with 1-3 R 5 .

16 . The compound of claim 1 , wherein L is a bond, —C 1-5 alkylene, —C 1-5 heteroalkylene, —O—, —S—, —NR 16 —, or —C(O)NR 16 —; or L is a bond, —C 1-5 alkylene, —C 1-5 heteroalkylene, —O—, —S—, —S(O)—, —S(O) 2 —, —C(O)NR 16 —, —NR 16 C(O)—, —OC(O)—, or —C(O)O—.

17 . The compound of claim 1 , wherein L is a bond, methylene, or —O—.

18 . The compound according to claim 1 , wherein R 5 is bromo, cyano, —CF 3 , —S—CH 3 , methyl, phenyl, —O—CH 3 , benzyl, 2-pyridinyl, 3-pyridinyl, 4-pyridinyl, 2-methoxy-phenyl, phenethyl, 1-methyl-1H-pyrazol-4-yl, 4-chloro-benzyl, 3-chloro-benzyl, 4-fluoro-phenyl, 3-fluoro-phenyl, 2-chloro-benzyl, 4-chloro-phenyl, 3-chloro-phenyl, naphthalen-2-ylmethyl, cyclohexyl, 4-trifluoromethyl-phenyl, 4-methoxy-benzyl, 3-trifluoromethyl-phenyl, 3-trifluoromethyl-benzyl, 2-chloro-6-fluoro-benzyl, 3,5-dichloro-benzyl, 2,6-dichloro-benzyl, cyclohexylmethyl, naphthalen-1-ylmethyl, 2-methyl-benzyl, 3-methyl-benzyl, 4-methyl-benzyl, 4-trifluoromethyl-benzyl, 4-fluoro-benzyl, 2-trifluoromethyl-benzyl, 3-fluoro-benzyl, 2-fluoro-benzyl, 4-cyano-benzyl, 3-cyano-benzyl, 2-cyano-benzyl, 4-trifluoromethoxy-benzyl, 3-trifluoromethoxy-benzyl, 2-trifluoromethoxy-benzyl, biphenyl-4-ylmethyl, biphenyl-3-ylmethyl, biphenyl-2-ylmethyl, 2,6-difluoro-benzyl, 2,6-dimethyl-benzyl, 2,4,6-trifluoro-benzyl, 3-chloro-2,6-difluoro-benzyl, 2,3,6-trifluoro-benzyl, 2-chloro-6-cyano-benzyl, 2-chloro-6-trifluoromethyl-benzyl, 2-fluoro-6-trifluoromethyl-benzyl, 2-methoxy-6-trifluoromethyl-benzyl, 2-methyl-6-trifluoromethyl-benzyl, 2,5-dichloro-benzyl, 2,4-dichloro-benzyl, 2,3-dichloro-benzyl, 3-trifluoromethoxy-phenyl, 4-trifluoromethoxy-phenyl, naphthalen-1-yl, 2-fluoro-phenyl, 2-chloro-phenyl, 2-methyl-phenyl, 3-methyl-phenyl, 4-methyl-phenyl, biphenyl-3-yl, biphenyl-4-yl, phenoxy, naphthalen-2-yl, phenylsulfanyl, 4-fluoro-phenoxy, 3-fluoro-2-methyl-phenyl, 2-chloro-4-methoxy-phenyl, 5-fluoro-2-methyl-phenyl, 2-chloro-4-fluoro-phenyl, 2-chloro-4-methyl-phenyl, 2-ethyl-phenyl, 4-fluoro-2-methyl-phenyl, 2-cyano-4-fluoro-phenyl, 2-fluoro-6-methyl-phenyl, 3-chloro-2-methyl-phenyl, 4-chloro-2-methyl-phenyl, 5-chloro-2-methyl-phenyl, 2,3-dimethyl-phenyl, 2,4-dimethyl-phenyl, 2,5-dimethyl-phenyl, 2-methyl-3-trifluoromethyl-phenyl, 2-methyl-4-trifluoromethyl-phenyl, 2-methyl-5-trifluoromethyl-phenyl, 3-cyano-2-methyl-phenyl, 4-cyano-2-methyl-phenyl, 5-cyano-2-methyl-phenyl, 2-chloro-3-methyl-phenyl, 2-chloro-5-methyl-phenyl, 2-chloro-3-trifluoromethyl-phenyl, 2-cyano-5-trifluoromethyl-phenyl, 2-chloro-5-methoxy-phenyl, 2-chloro-3-fluoro-phenyl, 2-chloro-5-fluoro-phenyl, 4-fluoro-naphthalen-1-yl, 4-chloro-naphthalen-1-yl, 4-phenyl-naphthalen-1-yl, quinolin-5-yl, 4-methyl-naphthalen-1-yl, 2-chloro-3-methoxy-phenyl, 2-chloro-4-trifluoromethyl-phenyl, quinolin-8-yl, 2-chloro-phenyl, 2-chloro-6-methyl-benzyl, 2,4,6-trimethyl-benzyl, 2-chloro-6-methoxy-benzyl, 2,6-dichloro-4-fluoro-benzyl, 2,6-dichloro-4-methyl-benzyl, 2,4,6-trichloro-benzyl, 2,6-dichloro-3-fluoro-benzyl, 2-chloro-phenoxy, 4-chloro-phenoxy, 3-chloro-phenoxy, p-tolyloxy-phenyl, o-tolyloxy-phenyl, 4-methoxy-phenoxy, 2,6-dichloro-4-trifluoromethoxy-benzyl, 2,6-dichloro-4-trifluoromethyl-benzyl, 2-benzyl-benzyl, 2,6-dichloro-4-methoxy-benzyl, 2-fluoro-6-methyl-benzyl, 2,6-dichloro-3-fluoro-benzyl, 2-fluoro-6-methoxy-benzyl, 4-fluoro-2,6-dimethyl-benzyl, 4-chloro-2,6-dimethyl-benzyl, 4-cyano-2,6-dimethyl-benzyl, 3,5-dimethyl-isoxazol-4-ylmethyl, 2,6-dichloro-3-methyl-benzyl, 2,3,6-trichloro-benzyl, benzoylamino, benzoyl-methyl-amino, (2,6-dimethyl-benzoyl)-methyl-amino, 2,6-dimethyl-benzoylamino, or 2,6-dichloro-benzoylamino.

19 . The compound of claim 1 , wherein:

one of W or X is N and the other of W and X is CR 4 ;

R 1 is H;

R 2 is H;

R 3 is halo, cyano, C 1-6 alkyl, or C 1-6 haloalkyl;

R 5 is -L- 3-10 cycloalkyl, -L-C 3-10 cycloalkenyl, -L-heterocyclyl, -L-aryl, or -L-heteroaryl; wherein each cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 5 is optionally substituted with 1-3 R 15 ;

each of R 6 , R 7 , R 8 , and R 9 is hydrogen; and

L is a bond, —C 1-5 alkylene, —C 1-5 heteroalkylene, —O—, —S—, —NR 16 —, or —C(O)NR 16 —.

20 . The compound of claim 1 , wherein:

X is N and W is CR 4 ;

R 1 is H;

R 2 is H;

R 3 is halo, cyano, C 1-6 alkyl, or C 1-6 haloalkyl;

R 5 is -L-C 3-10 cycloalkyl, -L-C 3-10 cycloalkenyl, -L-heterocyclyl, -L-aryl, or -L-heteroaryl; wherein each cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 5 is optionally substituted with 1-3 R 15 ;

each of R 6 , R 7 , R 8 , and R 9 is hydrogen; and

L is a bond, —C 1-5 alkylene, —C 1-5 heteroalkylene, —O—, —S—, —NR 16 —, or —C(O)NR 16 —.

21 . The compound of claim 1 , wherein:

X is N and W is CH;

R 1 is H;

R 2 is H;

R 3 is halo, cyano, methyl, or —CF 3 ;

R 5 is -L-C 3-10 cycloalkyl, -L-C 3-10 cycloalkenyl, -L-heterocyclyl, -L-aryl, or -L-heteroaryl; wherein each cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 5 is optionally substituted with 1-3 R 15 ;

each of R 6 , R 7 , R 8 , and R 9 is hydrogen; and

L is a bond, methylene, or —O—.

22 . The compound of claim 1 , wherein:

X and W are CH;

R 1 is H;

R 2 is H;

R 3 is halo, cyano, methyl, or —CF 3 ;

R 5 is -L-C 3-10 cycloalkyl, -L-C 3-10 cycloalkenyl, -L-heterocyclyl, -L-aryl, or -L-heteroaryl; wherein each cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of R 5 is optionally substituted with 1-3 R 15 ;

each of R 6 , R 7 , R 8 , and R 9 is hydrogen; and

L is a bond, methylene, or —O—.

23 . A compound, or a pharmaceutically acceptable salt, isotopically enriched analog, stereoisomer, mixture of stereoisomers or prodrug thereof, selected from:

24 . A pharmaceutical composition comprising one or more compounds of claim 1 and a pharmaceutically acceptable excipient.

25 . The pharmaceutical composition of claim 24 , further comprising at least one additional therapeutic agent.

26 . A method of inhibiting the activity of histone lysine demethylase, the method comprising bringing into contact histone lysine demethylase and an inhibitory-effective amount of a pharmaceutical composition of claim 24 .

27 - 40 . (canceled)

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Sep 3, 2025
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
To: FIBROGEN, INC.
Reel/Frame 072785/0760 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 22, 2023
From: ZHANG, ZUHUI; ZHOU, XIAOTI; AREND, MICHAEL P.; KJAERGAARD, CHRISTIAN HAUGE
To: FIBROGEN, INC.
Reel/Frame 065944/0349 →
SECURITY INTEREST Recorded May 1, 2023
From: FIBROGEN, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063504/0221 →