Patent ID: 8148361

Claim:
A compound of formula (I): wherein X and Y are independently —CH 2 —, —NH—, —S— or —O—, or one of X and Y is absent; R 1 , R 2 and R 3 are independently hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, aryloxy or substituted aryloxy; R 4 and R 5 are independently hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl, substituted cycloalkyl, heterocyclyl or substituted heterocyclyl, or R 4 and R 5 are taken together with the nitrogen atom to which they are attached to form an optionally substituted heterocyclyl ring; R 6 is independently one or more hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, cyano or halogen, or a pharmaceutically acceptable salt or stereoisomer thereof.