Patent ID: 7754724

Claim:
A compound of the Formula (I) wherein X and Y are each independently selected from the group consisting of a direct bond, alkyl, carbonyl, carbonylalkyl, carbonylalkylether, carboxylalkyl, alkylcarbonyl, alkylcarboxyl, and alkylether; with the proviso that both X and Y cannot be a direct bond; and when either X or Y is a direct bond, then the R1 or R2 associated with that bond is not phenyl or optionally substituted phenyl; and R1 and R2 are each independently selected from the group consisting of: alkyl; aryl, optionally substituted with cyano, alkoxy, halogen, alkylhalo, alkoxyhalo, carboxylalkyl, carbonylalkyl, benzyloxy, nitro, benzoyl, phenyl, carboxamido, or heteroaryl; heteroaryl, optionally substituted with aryl, heteroaryl, alkyl, halogen, alkylhalo, alkoxy, cycloalkyl or cyano; cycloalkyl, optionally substituted with alkyl or halogen; and a heterocyclic ring, optionally substituted with alkyl.