IP Library › Granted Patent US 12,441,727
Granted Patent B2
US 12,441,727 · App. 17/810,915 · Granted Oct 14, 2025

Tricyclic compounds as inhibitors of KRAS

Inventors: Pei Gan (Wilmington, DE); Jeffrey Yang (Wilmington, DE); Yong Li (Wilmington, DE); Le Zhao (Wilmington, DE); Chunhong He (Wilmington, DE); Chunyin Marshall Law (Wilmington, DE); Xiaozhao Wang (Mt. Laurel, NJ); Wenqing Yao (Wilmington, DE)
Assignee: Incyte Corporation
C07D471/04A61P35/00
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Quick Facts
Patent No.
US 12,441,727
App. No.
17/810,915
Filed
Jul 6, 2022
Granted
Oct 14, 2025
Kind
B2
Art Unit
1624
USPC
514/210.21
Abstract

Disclosed are compounds of Formula I, shown below, methods of using the compounds for inhibiting KRAS activity and pharmaceutical compositions comprising such compounds. The compounds are useful in treating, preventing or ameliorating diseases or disorders associated with KRAS activity such as cancer.

Claims (113)

1. A compound having Formula I:

or a pharmaceutically acceptable salt thereof, wherein:

Y is N or CH;

R 1 is selected from Cl, CH 3 , CH 2 F, CHF 2 , and CF 3 ;

Cy 1 is selected from

R 2 is selected from F and Cl;

R 3 is selected from

and,

Cy 2 is selected from

provided that the compound of Formula I is other than,

2-((2S,4S)-4-(7-(2-chloro-3-methylphenyl)-4-(3-(dimethylamino)-3-

methylazetidin-1-yl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-

1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile,

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-7-(2,3-

dimethylphenyl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-1-

yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile, and

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(6-

fluoro-5-methyl-1H-indazol-4-yl)-8-methyl-1H-[1,2,3]triazolo[4,5-

c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile.

2. The compound of claim 1 , wherein the compound of Formula I is a compound of Formula II:

or a pharmaceutically acceptable salt thereof, wherein:

R 1 is selected from Cl and CH 3 ;

Cy 1 is selected from

R 3 is selected from

and

Cy 2 is selected from

3. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein:

Y is N or OH;

R 1 is selected from Cl, CH 3 , CH 2 F, CHF 2 , and CF 3 ;

Cy 1 is selected from

R 2 is selected from F and Cl;

R 3 is selected from

and,

Cy 2 is selected from

provided that the compound of Formula I is other than

2-((2S,4S)-4-(7-(2-chloro-3-methylphenyl)-4-(3-(dimethylamino)-3-

methylazetidin-1-yl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-

1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile and

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-7-(2,3-

dimethylphenyl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-1-

yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile.

4. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein

Y is N or OH;

R 1 is selected from Cl, CH 3 , CH 2 F, CHF 2 , and OF 3 ;

Cy 1 is selected from

R 2 is selected from F and Cl;

R 3 is selected from

and,

Cy 2 is selected from

5. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Y is CH.

6. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Y is N.

7. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 1 is selected from Cy 1 -a, Cy 1 -b, Cy 1 -c, Cy 1 -d, and Cy 1 -e.

8. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 1 is selected from Cy 1 -f, Cy 1 -g, Cy 1 -h, Cy 1 -i, Cy 1 -j, and Cy 1 -k.

9. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 1 is selected from Cy 1 -a and Cy 1 -b.

10. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 1 is selected from Cy 1 -l, Cy 1 -m, Cy 1 -n, Cy 1 -o, Cy 1 -p, Cy 1 -q, Cy 1 -r, Cy 1 -s, and Cy 1 -t.

11. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 1 is selected from Cy 1 -c, Cy 1 -m, Cy 1 -n, Cy 1 -o, Cy 1 -p, Cy 1 -q, Cy 1 -r, Cy 1 -s, and Cy 1 -t.

12. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 1 is selected from CH 3 , CH 2 F, CHF 2 , and CF 3 .

13. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 1 is selected from CH 3 and CF 3 .

14. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 2 is F.

15. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 2 is Cl.

16. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 3 is selected from R 3 -a and R 3 -b.

17. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 3 is selected from R 3 -b and R 3 -c.

18. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 2 is selected from Cy 2 -a, Cy 2 -b, and Cy 2 -d.

19. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 2 is selected from Cy 2 -a and Cy 2 -b.

20. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Cy 2 is selected from Cy 2 -b and Cy 2 -d.

21. The compound of claim 1 , wherein the compound of Formula I is selected from

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(2-methoxy-3-methylphenyl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(7-(3-chloro-2-methoxyphenyl)-4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-7-(5-fluoroquinolin-8-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

1-(4-(6-fluoro-7-(5-fluoroquinolin-8-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)piperidin-1-yl)prop-2-en-1-one;

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-7-(2,3-dimethylphenyl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-8-methyl-7-(1-methyl-1H-indazol-6-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-8-methyl-7-(6-methylpyridin-3-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-8-methyl-7-(1-methyl-1H-indazol-3-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-7-(4-fluorophenyl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

8-(1-(1-acryloylpiperidin-4-yl)-6-fluoro-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-naphthonitrile;

2-((2S,4S)-4-(7-(2-chloro-3-methylphenyl)-4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-8-methyl-1H-imidazo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(7-(2-chloro-3-methylphenyl)-6-fluoro-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-imidazo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

8-(1-((2R,4S)-1-acryloyl-2-methylpiperidin-4-yl)-6-fluoro-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-naphthonitrile;

2-((2S,4S)-4-(7-(5,6-dimethyl-1H-indazol-4-yl)-4-(3-(ethyl(methyl)amino)azetidin-1-yl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

8-(6-fluoro-1-(1-((E)-4-fluorobut-2-enoyl)piperidin-4-yl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-naphthonitrile;

8-(1-((2S,4S)-2-(cyanomethyl)-1-(2-fluoroacryloyl)piperidin-4-yl)-4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-naphthonitrile;

2-((2S,4S)-4-(6,8-dichloro-4-(3-(dimethylamino)-3-methylazetidin-1-yl)-7-(5-fluoroquinolin-8-yl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6,8-dichloro-4-(3-(dimethylamino)-3-methylazetidin-1-yl)-7-(5-fluoroquinolin-8-yl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile; and

2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

or a pharmaceutically acceptable salt thereof.

22. The compound of claim 1 , wherein the compound of Formula I is selected from:

2-((2S,4S)-4-(6-fluoro-7-(4-fluoroisoquinolin-1-yl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-7-(4-fluoroisoquinolin-1-yl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-8-methyl-7-(3-methylisoquinolin-4-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-8-methyl-7-(3-methylisoquinolin-4-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-7-(7-fluoro-2-methylquinolin-8-yl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-8-methyl-7-(1-methylisoquinolin-4-yl)-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-7-(7-fluoroquinolin-8-yl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-(4-(1-((2R,4S)-1-acryloyl-2-methylpiperidin-4-yl)-6-fluoro-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-methyl-1H-indazol-3-yl)acetonitrile;

2-((2S,4S)-4-(4-(3-(ethyl(methyl)amino)-3-methylazetidin-1-yl)-6-fluoro-7-(6-fluoro-5-methyl-1H-indazol-4-yl)-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(7-(5,6-dimethyl-1H-indazol-4-yl)-4-(3-(ethyl(methyl)amino)-3-methylazetidin-1-yl)-6-fluoro-8-methyl-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-(4-(1-((2R,4S)-1-acryloyl-2-methylpiperidin-4-yl)-6-fluoro-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-methyl-1H-indol-3-yl)acetonitrile;

2-(4-(1-(1-acryloylpiperidin-4-yl)-6-fluoro-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-7-yl)-1-methyl-1H-indol-3-yl)acetonitrile;

2-((2S,4S)-4-(8-chloro-7-(5,6-dimethyl-1H-indazol-4-yl)-4-(3-(ethyl(methyl)amino)-3-methylazetidin-1-yl)-6-fluoro-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

2-((2S,4S)-4-(6-fluoro-7-(2-fluoro-6-methoxyphenyl)-8-methyl-4-((S)-1-((S)-1-methylpyrrolidin-2-yl)ethoxy)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile; and

2-((2S,4S)-4-(8-chloro-4-(3-(ethyl(methyl)amino)-3-methylazetidin-1-yl)-6-fluoro-7-(6-fluoro-5-methyl-1H-indazol-4-yl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-(2-fluoroacryloyl)piperidin-2-yl)acetonitrile;

or a pharmaceutically acceptable salt thereof.

23. A pharmaceutical composition comprising a compound of claim 1 , or a pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable carrier or excipient.

24. The compound of claim 1 , wherein the compound of Formula I is 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile, or a pharmaceutically acceptable salt thereof.

25. A pharmaceutical composition comprising the compound of claim 24 , or a pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable carrier or excipient.

26. A compound that is 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile, or a pharmaceutically acceptable salt thereof.

27. The compound of claim 26 , wherein the compound is diastereomer 1 of 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile, or a pharmaceutically acceptable salt thereof.

28. The compound of claim 26 , wherein the compound is diastereomer 1 of 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile, wherein the diastereomer is characterized by a trifluoroacetic acid salt that has a 1 H NMR spectrum measured at 600 MHz in DMSO-d6 substantially as follows: δ 10.80 (s, 1H), 8.87 (dd, J=4.2, 1.7 Hz, 1H), 8.62 (dd, J=8.5, 1.7 Hz, 1H), 8.41 (s, 1H), 7.82 (dd, J=8.0, 5.8 Hz, 1H), 7.70 (dd, J=8.5, 4.2 Hz, 1H), 7.65 (dd, J=9.8, 8.0 Hz, 1H), 6.90-6.77 (m, 2H), 5.93 (s, 1H), 5.32 (s, 1H), 5.24-5.20 (m, 1H), 5.12 (dd, J=3.6, 1.2 Hz, 1H), 4.97 (s, 1H), 4.76 (s, 1H), 4.57 (s, 1H), 4.37-4.21 (m, 2H), 3.61 (d, J=12.7 Hz, 1H), 3.39-3.21 (m, 2H), 2.84 (s, 6H), 2.46-2.22 (m, 4H), 1.70 (s, 3H).

29. The compound of claim 26 , wherein the compound is diastereomer 2 of 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-fluorobut-2-enoyl)piperidin-2-yl)acetonitrile, or a pharmaceutically acceptable salt thereof.

30. A compound that is 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile, or a pharmaceutically acceptable salt thereof.

31. The compound of claim 30 , wherein the compound is a single diastereomer of 2-((2S,4S)-4-(4-(3-(dimethylamino)-3-methylazetidin-1-yl)-6-fluoro-7-(5-fluoroquinolin-8-yl)-8-(trifluoromethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-1-yl)-1-((E)-4-methoxybut-2-enoyl)piperidin-2-yl)acetonitrile, wherein the single diastereomer is characterized by a trifluoroacetic acid salt that has a 1 H NMR spectrum measured at 600 MHz in DMSO-d6 substantially as follows: δ 10.80 (s, 1H), 8.87 (dd, J=4.2, 1.7 Hz, 1H), 8.62 (dd, J=8.5, 1.8 Hz, 1H), 8.41 (s, 1H), 7.82 (dd, J=8.0, 5.9 Hz, 1H), 7.70 (dd, J=8.5, 4.1 Hz, 1H), 7.65 (dd, J=9.7, 8.0 Hz, 1H), 6.81-6.72 (m, 2H), 5.93 (s, 1H), 5.31 (s, 1H), 4.96 (m, 2H), 4.76-4.32 (m, 2H), 4.11 (d, J=3.1 Hz, 2H), 3.67-3.34 (m, 2H), 3.33 (s, 3H), 3.19 (td, J=16.6, 10.1 Hz, 2H), 2.84 (s, 6H), 2.49-2.43 (m, 2H), 2.33 (s, 1H), 2.21 (d, J=15.7 Hz, 1H), 1.71 (s, 3H).

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 25, 2022
From: GAN, PEI; YANG, JEFFREY; LI, YONG; ZHAO, LE; HE, CHUNHONG; LAW, CHUNYIN MARSHALL; WANG, XIAOZHAO; YAO, WENQING
To: INCYTE CORPORATION
Reel/Frame 060904/0392 →
Continuity (4)
Provisional Application 63310811 · Feb 16, 2022
Provisional Application 63292774 · Dec 22, 2021
Provisional Application 63219274 · Jul 7, 2021
Related Publication 20230056631A1 · Feb 23, 2023
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