Patent ID: 8058292

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