Patent ID: 8841288

Claim:
Compound of formula (I): wherein R 1 is H, or straight or branched, substituted or unsubstituted C 1-8 alkyl, R 2 is H, straight or branched, substituted or unsubstituted C 1-8 alkyl, substituted or unsubstituted C 3-6 cycloalkyl, Ar 2 , (CH 2 ) n —C 1-8 alkyl, or (CH 2 ) n —Ar 2 , n being an integer 1 to 4, m is an integer 1 to 2, Ar 2 is a substituted or unsubstituted aryl or heteroaryl group, pharmaceutically acceptable tautomers and/or hydrates and/or solvates and/or salts and/or pro-drugs thereof.