Patent ID: 7067534

Claim:
A compound having the structure: wherein W is wherein R 1 is hydrogen, straight chained or branched C 1 –C 7 alky, aryl or heteroaryl, wherein the aryl or heteroaryl is optionally substituted with one or more —F, —Cl, —Br, —CN, —NO 2 , —OCH 3 , —CO 2 CH 3 , —CF 3 , phenyl, straight chained or branched C 1 –C 7 alkyl; wherein R 2 is straight-chained or branched C 3 –C 4 alkyl or cyclopropyl; wherein A is —H, —F, —Cl, —Br, —CN, —NO 2 , —COR 1 , —CO 2 R 1 , straight chained or branched C 1 –C 7 alkyl, monofluoroalkyl or polyfluoroalkyl or phenyl; wherein each B is independently —H, —F, —Cl, —Br, —I, —CN, —NO 2 , —COR1, —CO 2 R1, —OCH 3 , —OCF 3 , —CF 3 , straight chained or branched C 1 –C 7 alkyl, monofluoroalkyl or polyfluoroalkyl or aryl, phenoxy or benzyloxy, wherein the aryl, phenoxy or benzyloxy is optionally substituted with one or more —F, —Cl, —Br, —CN, —NO 2 , —COR 1 , —CO 2 R 1 , —OCH 3 , —OCF 3 , —CF 3 or straight chained or branched C 1 –C 7 alkyl.