Patent ID: 8278453

Claim:
A compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein X is N or CH, and Y is N or CH, provided that both X and Y are not N; Q is selected from the group consisting of (1) —CH 2 —, R 1 is selected from the group consisting of (1) hydrogen, (2) —C 1-6 alkyl, or (3) —CH 2 -aryl, wherein said R 1 alkyl or aryl moiety is optionally substituted with one or more (a) halogen, (b) cyano, and (c) —O—C 1-6 alkyl, wherein said alkyl is optionally substituted with one or more halogen; R 2 is selected from the group consisting of (2) heteroaryl, wherein said heteroaryl is a cyclic or polycyclic aromatic ring system having from four to twelve ring atoms, said ring atoms selected from C, CH, C═O, N or O, (3) —C 6-10 aryl, wherein the aryl or heteroaryl ring is optionally substituted with one or more (a) —C 1-6 alkyl, (b) —OC 1-6 alkyl, (c) —C 6-10 aryl, or (d) halogen; and provided that at least one of X, Y, or R 2 contains a nitrogen atom.