Patent ID: 8791134

Claim:
A compound of formula VII: or a pharmaceutically acceptable salt thereof, wherein D is selected from alkyl-C(O)—, substituted alkyl-C(O)—, perhaloalkyl-C(O)—, alkenyl -C(O)—, substituted alkenyl-C(O)—, alkynyl-C(O)—, substituted alkynyl-C(O)—, aryl-C (O)—, substituted aryl-C(O)—, heteroaryl-C(O)—, substituted heteroaryl-C(O)—, heterocyclyl-C (O)— and -P(O)(OC 1 -C 8 alky) 2 ; R 4 is selected from H, substituted or unsubstituted C 1 -C 8 alkyl, substituted or unsubstituted C 2 -C 8 alkenyl, substituted or unsubstituted C 2 -C 8 alkynyl, substituted or unsubstituted acyl, alkoxycarbonyl, substituted or unsubstituted heterocyclyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, and sulfonyl; and each R 11a , R 11b , R 12a , R 12b , R 13a , R 13b , R 14a , and R 14b group is independently selected from H, substituted C 1 -C 8 alkyl, unsubstituted C 1 -C 8 alkyl, halo, hydroxyl, alkoxy, cyano, and nitro or two said groups attached to the same carbon atom together with that carbon atom form a carbonyl moiety or two said groups attached to adjacent carbon atoms together with those carbon atoms form a carbon-carbon double bond.