Patent ID: 7659401

Claim:
A compound of formula I: wherein R 1 is hydrogen, halogen, cyano, lower alkoxy, lower alkyl, lower alkyl substituted by halogen, cycloalkyl, —(CH 2 ) n —O-lower alkyl, or —C(O)R′ wherein R′ is lower alkyl, lower alkoxy or N(R) 2 ; R 2 is aryl or 5- or 6-membered heteroaryl; R 3 is hydrogen, OR, N(R) 2 , lower alkyl, cycloalkyl, aryl, heterocycloalkyl, 5- or 6-membered heteroaryl, lower alkyl substituted by halogen, or —C(O)R′ wherein R′ is lower alkyl, lower alkoxy or N(R) 2 ; wherein the aryl, cycloalkyl, heterocycloalkyl or 5-or 6-membered heteroaryl groups for R 2 and R 3 are unsusbtituted or substituted by halogen, cyano, lower alkyl, lower alkoxy, S(O) 2 -alkyl, S(O)-alkyl, or —C(O)R′ wherein R′ is lower alkyl, lower alkoxy or N(R) 2 ; R is hydrogen or lower alkyl; n is 0, 1 or 2; or a pharmaceutically acceptable salt thereof.