dimethyl 2,6-anhydro-3,4-O-isopropylidene-D-glycero-D-galacto-heptarate

dimethyl 2,6-anhydro-4,5-O-isopropylidene-3-deoxy-L-lyxo-hept-2-enarate

2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl cyanide

2,6-anhydro-D-glycero-D-galacto-heptonic acid

dimethyl 2,6-anhydro-D-glycero-D-galacto-heptarate