Patent ID: 11884683
Assignee: MERCK SHARP & DOHME LLC
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 0:
1. A compound of the formula:, or a pharmaceutically acceptable salt thereof,
wherein:
each occurrence of R1 is independently halo or C1-3 alkyl, wherein said alkyl groups are optionally substituted with one to three halo;
R2 is hydrogen, methyl or ethyl;
R3 is hydrogen, methyl or ethyl;
R4 is hydrogen, methyl or ethyl;
R5 is hydrogen, C1-3 alkyl, (C1-3 alkyl)OR7 or phenyl;
or R4 and R5 can be taken together with the carbon atom to which they are attached to form a 5- or 6-membered heterocyclyl group;
R6 is hydrogen, C1-6 alkyl or (C1-6 alkyl)OR7;
or R5 and R6 can be taken together with the atoms between them to form a 6-membered heterocyclyl group;
R7 is hydrogen or C1-3 alkyl, which is optionally substituted with one to three halo;
n is an integer between one and three.