6-deoxy-3,4-O-isopropylidene-α-L-arabino-hex-5-enopyranosyl-(1->4)-2,3:5,6-di-O-isopropylidene-aldehydo-D-glucose dimethyl acetal

3,4-O-isopropylidene-6-O-p-toluenesulfonyl-β-D-talopyranosyl-(1->4)-2,3:5,6-di-O-isopropylidene-aldehydo-D-glucose dimethyl acetal

3,4-O-isopropylidene-6-O-p-toluenesulfonyl-α-D-lyxo-hex-2-ulopyranosyl-(1->4)-2,3:5,6-di-O-isopropylidene-aldehydo-D-glucose dimethyl acetal