Patent ID: 8624029

Claim:
A compound comprising Formula I wherein R 1 ═H, C 1-6 alkyl, C 1-3 alkoxyC 1-3 alkyl, C 3-6 cycloalkylC 1-3 alkoxy, C 3-6 cycloalkylC 1-3 alkyl Z═C 2 -C 6 alkyl or alkenyl, unsubstituted or terminally substituted by —(O—C 2 -C 6 alkyl) 1-6 - Y═O, NH X═O, CH 2 , CF 2 W═O or S m=1-2, wherein R 2 ═H or straight/branched/unsaturated C 4 -C 24 alkyl or acyl R 3 =straight/branched/unsaturated C 4 -C 24 alkyl or acyl R 4 , R 5 =independently H, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogen, or trifluoromethyl; or taken together alternatively form a 6-membered aryl, heteroaryl containing one nitrogen atom, cycloalkyl, or heterocycloalkyl ring containing one nitrogen atom; unsubstituted or substituted by one or more of C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogen, or trifluoromethyl, or pharmaceutically acceptable salts thereof.