Patent ID: 8129411

Claim:
A compound of the formula I′ wherein R1 is hydrogen, unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl, unsubstituted or substituted aryl, unsubstituted or substituted heterocyclyl or unsubstituted or substituted cycloalkyl; R2 is unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl, unsubstituted or substituted aryl, unsubstituted or substituted heterocyclyl, unsubstituted or substituted cycloalkyl, or acyl; R3 is hydrogen, unsubstituted or substituted aryl or unsubstituted or substituted alkyl; R4 is unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl, unsubstituted or substituted aryl, unsubstituted or substituted heterocyclyl, unsubstituted or substituted cycloalkyl, or acyl; or R3 and R4 may form together a 3 to 7 membered nitrogen containing saturated hydrocarbon ring which can be unsubstituted or substituted; R6 is hydrogen, halo, OH, unsubstituted alkyl or unsubstituted alkoxy; R7 and R8 are independently of each other hydrogen or halo; and T is methylene or carbonyl; wherein heterocyclyl is a mono or bicyclic heterocyclic moiety or a pharmaceutically acceptable salt thereof.