Patent ID: 11866446
Assignee: VERTEX PHARMACEUTICALS INCORPORATED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 2:
3. The compound, tautomer, deuterated derivative, or pharmaceutically acceptable salt according to claim 1, wherein R4 is selected from C1-C4 alkyl and, , wherein:
the C1-C4 alkyl of R4 is optionally substituted with 1 to 3 groups independently selected from halogen, cyano, —OH, —NH2, —NH(C1-C4 alkyl), —N(C1-C4 alkyl)2, C1-C2 alkoxy, C3-C6 cycloalkyl, 5 to 6-membered heterocyclyl, phenyl, and 5 to 6-membered heteroaryl.