121104-76-5 AIDS-000246 AIDS000246 Benzoic acid, (1S,6S,7S,8R,8aR)-octahydro-1,7,8-trihydroxy-6-indolizinyl ester Castanospermine ester Castanospermine-6-O-benzoate Castanospermine-6-phenylcarboxy MDL 43,305 MDL 43305