5-azido-5-deoxy-1,2-O-isopropylidene-3-O-methyl-α-D-xylofuranose

ethyl-(5,6-dideoxy-1,2-O-isopropylidene-3-O-methyl-D-xylo-heptofuranosid)uronate

3,4,6-tri-O-benzyl-1,2-dideoxy-α-D-xylo-hex-1-enyl (5,6-dideoxy-1,2-O-isopropylidene-3-O-methyl-D-xylo-heptofuranosid)uronate