Patent ID: 8188090

Claim:
A compound of formula I: or a pharmaceutically acceptable salt or ester thereof, wherein: X is O and Q is C(H); or alternatively, X is C(O) and Q is N; R 1 is selected from the group consisting of: (a) hydrogen, (b) halogen, (c) lower alkyl optionally substituted by fluoro, (d) lower alkoxy optionally substituted by fluoro, (e) lower alkylsulfonyl, and (f) cyano; R 2 is hydrogen or lower alkyl; and R 3 is selected from the group consisting of: (a) phenyl, pyridinyl, or pyrimidinyl, wherein said phenyl, pyridinyl, or pyrimidinyl is optionally substituted by one or more substituents independently selected from the group consisting of: (1) halogen, (2) lower alkyl optionally substituted by fluoro; (3) lower alkoxy optionally substituted by fluoro, and (4) cyano; (b) lower alkoxycarbonyl; and (c) S(O) 2 —R 4 , C(O)—R 4 , or C(O)—N(H)—R 4 wherein R 4 is selected from the group consisting of: (1) lower alkyl optionally substituted by fluoro, (2) lower cycloalkyl, (3) phenyl optionally substituted by: (i) halogen or (ii) lower alkyl optionally substituted by fluoro, (4) benzyl or phenylethyl, and (5) pyridinyl.