Patent ID: 7550604

Claim:
A compound selected from the group consisting of the structure of Formula (I) and pharmaceutically acceptable salts thereof: wherein R 1 , R 2 , and R 3 are separately selected from the group consisting of a hydrogen atom, halogen atom, mono-substituted, poly-substituted and unsubstituted variants of the following residues: saturated C 1 -C 24 alkyl, unsaturated C 2 -C 24 alkenyl or C 2 -C 24 alkynyl, acyl, acyloxy, alkyloxycarbonyloxy, aryloxycarbonyloxy, cycloalkyl, cycloalkenyl, alkoxy, cycloalkoxy, aryl, heteroaryl, arylalkoxy carbonyl, alkoxy carbonylacyl, amino, aminocarbonyl, aminocarboyloxy, nitro, azido, phenyl, hydroxy, alkylthio, arylthio, oxysulfonyl, carboxy, cyano, and halogenated alkyl including polyhalogenated alkyl; wherein (R 4 ) n is a multiple-unit chain and wherein R 4 for the first unit is: R 4 for the second unit is an isoprene selected from the group consisting of: and R 4 for the third unit is an isoprene selected from the group consisting of: wherein n is 3.