Patent ID: 8080673

Claim:
A compound selected from the group consisting of the following: or a pharmaceutically acceptable salt, solvate in solution phase or clathrate with cyclodextrin thereof, as a single stereoisomer or a mixture thereof; wherein: each R 3 , R 4 and R 5 is independently bromine, chlorine, fluorine, carboxy, hydrogen, hydroxy, hydroxymethyl, methanesulfonamido, nitro, cyano, sulfamyl, trifluoromethyl, —CHF 2 , —SO 2 N(R 8 )R 9 , —OCF 3 , C 2 -C 7 alkanoyloxy, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 7 -C 12 aralkoxy, C 2 -C 7 alkoxycarbonyl, C 1 -C 6 thioalkyl, aryl or —N(R 6 )R 7 , with the proviso that R 3 , R 4 and R 5 cannot all be hydrogen at the same time; each R 6 , R 7 , R 8 , and R 9 is independently selected from hydrogen, acetyl, methanesulfonyl or C 1 -C 6 alkyl; each R 2a is O or H 2 where at least one R 2a in each compound is O; each R is independently a H, C 2 -C 5 acyl or an oxygen-protecting group; and each R 1 is an oxygen-protecting group, provided that the compound is not one of the following compounds: