Patent ID: 8765820

Claim:
A compound of the general formula (I) or a stereoisomer, tautomer, racemic form, enantiomer, diastereomer, epimer, polymorph, solvate, mixtures thereof, prodrug, pharmaceutically acceptable salt thereof, wherein: A is R or CH(R 1 )—NH—CO—R 2 ; R and R 2 are selected from the group consisting of alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, heterocycloalkyl, cycloalkylalkyloxy, arylalkyloxy, heteroarylalkyloxy, heterocycloalkylalkyloxy, cycloalkylalkyl, arylalkyl, heteroarylalkyl, heterocycloalkylalkyl, cycloalkylalkylamino, arylalkylamino, heteroarylalkylamino, and heterocycloalkylalkylamino; R 1 is selected from the group consisting of alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, heterocycloalkyl, cycloalkylalkyl, arylalkyl, heteroarylalkyl, and heterocycloalkylalkyl; and R 3 is H, or lower alkyl.