Patent ID: 8455507

Claim:
A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: Ht is R 2 is H, C 1-3 alkyl, or cyclopropyl; R 2′ is H; Q is —O—, —S—, or —C(R′) 2 —; R′ is H or C1-3alkyl; or two occurrences of R′, taken together with atom to which they are joined, form a 3-5 membered cycloalkyl ring; R X is H or F; R Y is each J is independently F or C 1-6 alkyl; n is 1 or 2; R 4 is H, C 1-6 alkyl, C 3-8 cycloaliphatic, or a 4-8 membered heterocyclyl containing 1-2 heteroatoms selected from O, N, or S; wherein said alkyl, cycloaliphatic or heterocyclyl is optionally and independently substituted with 0-6 occurrences of C 1-6 alkyl, —O—(C 1-6 alkyl), NH 2 , OH, ═O, halo, CN, or NO 2 ; R 1 is an 8-12 membered bicyclic heteroaryl ring containing 1-5 heteroatoms selected from O, N, and S and optionally substituted with 0-4 J D ; each J D is independently C 1-6 alkyl, —O—(C 1-6 alkyl), halo, or oxo wherein each C 1-6 alkyl is optionally substituted with 0-6 fluoro.