benzyl 1,2-O-isopropylidene-5-O-toluene-p-sulphonyl-(6S)-α-D-gluco-hexodialdo-1,4-furanose-6,3-furanoside

5,6-Didesoxy-5,6-epithio-1,2-O-isopropyliden-α-D-glucofuranose