Benzoic acid (3aS,4R,6R,6aS)-6-((R)-2-methanesulfonyloxy-1-methoxy-ethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl ester

benzoyl 6-O-(tert-butyldimethylsilyl)-2,3-O-isopropylidene-β-L-gulofuranoside

benzoyl 6-(tert-butoxycarbonyl)amino-6-deoxy-2,3-O-isopropylidene-5-O-methyl-α-D-mannofuranoside

benzoyl 6-O-(tert-butyldimethylsilyl)-2,3-O-isopropylidene-5-O-trifluoroacetyl-β-L-gulofuranoside

Benzoic acid (3aS,4R,6S,6aS)-6-[(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-trifluoromethanesulfonyloxy-ethyl]-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl ester