methyl 4-O-acetyl-3-O-benzyl-β-L-idopyranuronate 1,2-(tert-butyl orthoacetate)

(2R,3R,4S,5S,6R)-4-(benzyloxy)-2-bromo-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,5-diyl diacetate

methyl (2,4-di-O-acetyl-3-O-benzyl-α-L-idopyranosyl bromide)uronate

methyl 3-O-benzyl-1,2-O-isopropylidene-α-L-idofuranosiduronate

(S)-methyl 2-((3aR,5R,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)-2-hydroxyacetate