Patent ID: 11919887
Assignee: VERTEX PHARMACEUTICALS INCORPORATED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 1:
2. The compound of claim 1, or a pharmaceutically acceptable salt thereof, wherein:
R4b1 and R4b2 are each independently H, C1-C6 alkyl, or C1-C6 haloalkyl;
R5b1 and R5b2 are each independently H, C1-C6 alkyl, or C1-C6 haloalkyl;
X3c is C—R3c;
X4c is C—R4c;
X5c is C—R5c;
X6c is C—R6c; and
R2c is H, OH, halo, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, or C1-C6 haloalkoxy.