methyl 2-deoxy-3,4-O-isopropylidene-5-O-methanesulfonyl-2-[(9-phenyl-9-fluorenyl)-amino]-D-arabinonate

Methyl 2-deoxy-2-[(9-phenylfluoren-9-yl)amino]-3,4-O-isopropylidene-6-methanesulfonyl-L-idonate