5,7-anhydro-6-N-benzyloxycarbonylamino-6-deoxy-1,2-O-isopropylidene-α-D-glycero-D-gluco-heptofuranose

5,7-anhydro-6-N-benzyloxycarbonylamino-6-deoxy-1,2-O-isopropylidene-α-L-glycero-D-gluco-heptofuranose