Patent ID: 7767699

Claim:
A compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein: R 1 is -halo, —CH 3 , —CF 3 , —NO 2 , —CN or —H; Q is: R 3 and R 4 are independently —CH 2 —, —CH(CH 3 )— or —C(O)—; J is —N(H)— or —O—; A is —C(O)— or —CH 2 —; R 2 is —(C 1 -C 6 )alkyl, —(C 3 -C 8 )cycloalkyl, -phenyl, -naphthyl, or —(C 14 )aryl, each of which is unsubstituted or substituted with one or more R 5 groups; R 5 is -halo, —(C 1 -C 6 )alkyl, —(C 1 -C 6 )alkoxy or —OC(halo) 3 ; a is 0 and b is 1; each halo is independently —F, —Cl, —Br or —I; and wherein the compound is optionally an optical isomer, a mixture of optical isomers, or a racemic mixture.