Patent ID: 8431569

Claim:
A compound of formula I: wherein R 1 is hydrogen, C 1-6 alkyl, C 2-6 alkenyl, C 3-8 cycloalkyl, C 1-6 haloalkyl, heteroaryl or a carbonyl, wherein said alkyl and cycloalkyl groups are optionally substituted with one to four substituents selected from the group consisting of halo, C 1-3 alkyl and hydroxy; R 2 is cyclopropyl; R 3 is hydrogen, C 1-3 alkyl, halo, heteroaryl or heterocyclyl, wherein said alkyl group is optionally substituted with heteroaryl, and said heteroaryl and heterocyclyl groups are optionally substituted on either the carbon or the heteroatom with C 1-3 alkyl, halo, NR 4 R 5 or heterocyclyl; R 3′ is hydrogen, C 1-3 alkyl, halo, hydroxyl, heteroaryl or heterocyclyl, wherein said alkyl group is optionally substituted with heteroaryl, and said heteroaryl and heterocyclyl groups are optionally substituted on either the carbon or the heteroatom with C 1-3 alkyl, halo, NR 4 R 5 or heterocyclyl; R 4 is hydrogen or C 1-6 alkyl; R 5 is hydrogen or C 1-6 alkyl; or a pharmaceutically acceptable salt or stereoisomer thereof.