benzyl 2,3-O-(1-methylethylidene)-α-D-lyxofuranosiduronic acid, trans-crotyl ester

((3aS,4R,6S,6aS)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl-d2 trifluoromethanesulfonate

1,2-O-Isopropylidene-1-O-benzyl-6-deoxy-6-diazo-α-D-lyxo-hexo-furan-5-ulose