Patent ID: 11958830
Assignee: WESTLAKE PHARMACEUTICALS (HANGZHOU) CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 19:
20. The compound, tautomer, deuterated derivative, or pharmaceutically acceptable salt according to claim 19, wherein R3, for each occurrence, is independently selected from F, Cl, Br, C1-C2 alkyl, —ORs, and phenyl; wherein:
the C1-C2 alkyl of R3 is optionally substituted is optionally substituted with 1 to 3 groups selected from halogen, cyano, and phenyl that is optionally substituted with 1 to 3 halogen atoms; and
Rs, for each occurrence, is independently selected from hydrogen and C1-C2 alkyl.