Patent ID: 11926596
Assignee: KADMON CORPORATION, LLC
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 8:
9. A compound having the formula III:, wherein:
R1 is lower alkyl, cyclopropyl, or CH3O(CH2)2—;
R2 is phenyl or pyridyl optionally substituted with one to two substituents selected from halo, lower alkyl, lower alkoxy, C1-C3 perfluoro alkoxy, phenyl, and phenyl-O—, wherein the phenyl and —O-phenyl substituent in turn optionally may be substituted with methoxy;
R3 is selected from H, lower alkyl, and RR′N—(C2-4 alkyl)-; and
each R and R′ is independently selected from lower alkyl and C3-C6 cycloalkyl;
or a pharmaceutically acceptable salt thereof.