methyl 3-O-benzyl-β-L-idopyranuronate

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

tris(thiophenyl) 3-O-benzyl-1,2-O-isopropylidene-β-L-orthoidofuranuronate

methyl 3-O-benzyl-1,2-O-isopropylidene-4-O-levulinoyl-α-L-idopyranosiduronate

2-O-pivaloyl-3-O-benzyl-4-O-levulinoyl-5-O-triphenylmethyl-D-xylose di(ethylthio)acetal