Patent ID: 7741330

Claim:
A compound having the structure of Formula (I): wherein: R a , R b , R c , R d and R e are each independently selected from H, F, Cl, Br, I, —CN, —SR 2 , —OR 3 , —CO 2 R 3 ; or R a or R b together with one of R c , R d and R e and the carbon atoms to which they are attached form an epoxide; wherein R a , R b , R c , R d , and R e cannot all be H; R 2 is selected from H, C 1 -C 4 alkyl, a cysteinyl, or a glutathionyl; R 3 is selected from H, C 1 -C 4 alkyl, phenyl, or benzyl; or a pharmaceutically acceptable salt thereof.