N-benzyl-4-O-benzyl-6-O-tert-butyldimethylsilyl-1,5,7-trideoxy-1,5-imino-2,3-O-isopropylidene-L-glycero-D-manno-octitol

N-benzyl-4-O-benzyl-6-O-tert-butyldimethylsilyl-1,5,7-trideoxy-1,5-imino-2,3-O-isopropylidene-D-glycero-D-manno-octitol

N-benzyl-4-O-benzyl-1,5-dideoxy-1,5-imino-2,3-O-isopropylidene-D-mannitol