Patent ID: 7473698

Claim:
A compound wherein the compound has the structure: wherein each A is independently —H, —F, —Cl, —Br, —I, —CN, —NO 2, —OR 3 or straight chained or branched C 1 -C 7 alkyl; wherein Z is CO or SO 2 ; wherein R 4 is —COR 3 or phenyl, wherein the phenyl is optionally substituted with one or more —F, —Cl, —Br, —I, —OR 2 , or straight chained or branched C 1 -C 7 alkyl; wherein each R 3 is independently phenyl optionally substituted with one or more —F, —Cl, —Br, —I, —NO 2 , —CN, —OR 2 or —NHR 2 ; wherein each R 2 is independently straight chained or branched C 1 -C 7 alkyl, or phenyl wherein the phenyl is optionally substituted with one or more —F, —Cl, —Br, —I, —NO 2 , or —CN; and wherein n is an integer from 2 to 6 inclusive; or a pharmaceutically acceptable salt thereof.