Patent ID: 7256219

Claim:
A compound of Formula I: or pharmaceutically acceptable salts or prodrugs thereof, wherein: Ar is optionally substituted aryl or optionally substituted heteroaryl; R 6 -R 8 are independently hydrogen, halo, haloalkyl, aryl, fused aryl, carbocyclic, a heterocyclic group, a heteroaryl group, alkyl, alkenyl, alkynyl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, carbocycloalkyl, heterocycloalkyl, hydroxyalkyl, nitro, amino, cyano, acylamido, hydroxy, thiol, acyloxy, azido, alkoxy, aryloxy, arylalkoxy, haloalkoxy, carboxy, carbonylamido or alkylthiol; and R 9 and R 10 are independently hydrogen, alkyl or cycloalkyl; with the proviso that when Ar is 4-trifluoromethylphenyl, then (a) at least one of R 6 -R 8 are other than hydrogen; or (b) Ar is further substituted with at least one group other than hydrogen; or (c) at least one of R 9 and R 10 is other than hydrogen.