Patent ID: 7148225

Claim:
A compound of the formula or a pharmaceutically acceptable salt thereof, wherein Ar 1 is phenyl having at least one optionally substituted phenyl or optionally substituted heterocyclic substituent attached thereto at the 2-position relative to the point of attachment, wherein the heterocyclic substituent is chosen from imidazolyl, pyrazolyl, oxazolyl, thienyl, thiazolyl, pyridyl, furanyl and pyrimidinyl; R 1 is benzyl substituted with from 1 to 3 substituents independently selected from halogen, hydroxy, nitro, cyano, —COOH, —CONH 2 , C 1 –C 4 alkyl, C 2 –C 4 alkenyl, C 2 –C 4 alkynyl, C 1 –C 4 alkoxy, C 1 –C 4 alkylthio, —NC(═O)C 1 –C 1 alkyl, C 2 –C 3 alkanoyloxy, C 1 –C 3 alkoxycarbonyl, C 1 –C 2 haloalkyl, C 1 –C 2 haloalkoxy, thienyl and phenyl; and R 2 is optionally substituted benzyl.