Patent ID: 11945798
Assignee: YUHAN CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC A  C | IPC C

Claim 6:
7. The compound of claim 1, or a pharmaceutically acceptable salt thereof, wherein R1 is selected from the group consisting of
—C(O)—C1-6 alkyl, optionally substituted by one or more substituents selected from the group consisting of halogen and 4-7 membered heterocyclyl;
—C(O)—C3-6 cycloalkyl;
—C(O)-phenyl optionally substituted by one or more halogens;
—NHC(O)C3-6 cycloalkyl;
—C(O)NHC1-6 alkyl optionally substituted by one or more halogens;
—C(O)NHC3-6 cycloalkyl optionally substituted by one or more OHs;
—C(O)-3-7 membered heterocyclyl optionally substituted by one or more halogens; and
4-7 membered heterocyclyl.