Patent ID: 8212031

Claim:
A compound of formula I wherein: X is a heterocyclyl group containing 2 or more heteroatoms; Y is COR 5 or CONHR 5 ; R 1 is hydrogen, alkyl, substituted alkyl, amide, substituted amide, cycloalkyl or substituted cycloalkyl; R 2 , R 3 and R 4 are independently hydrogen, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, halogen, amino, substituted amino, aminoalkyl, substituted aminoalkyl, alkylamino, substituted alkylamino, amide, substituted amide, carbamate, ureido or —CN; R 5 is heteroaryl or substituted heteroaryl; or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.