Patent ID: 7358361

Claim:
A compound having the formula CA1: or a pharmaceutically acceptable salt thereof; wherein: X is —OH, or a halogen; n is 1, 2, or 3; R 1 -R 5 , independently of one another are selected from the group consisting of a hydrogen, a halogen, a —CN, —OR, —COOR, —OCOOR, —COR, —CON(R) 2 , —OCON(R) 2 , —N(R) 2 , —NO 2 , —SR, —SO 2 R, —SO 2 N(R) 2 or —SOR group, an optionally substituted alkyl group, an optionally substituted alkenyl group, and an optionally substituted aryl group, where each R, is selected from H, an optionally substituted alkyl group and an optionally substituted aryl group, an optionally substituted acyl group; and R 6 and R 7 , independently of each other are selected from the group consisting of a hydrogen, a halogen, a —N(R) 2 , or —SR group, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted alkoxy group, and an optionally substituted aryl group, where each R, is selected from H, an optionally substituted alkyl group and an optionally substituted aryl group; and wherein R 6 and R 7 can together form a ring which may contain one or more double bonds.