allyl (methyl 2,4-di-O-acetyl-3-O-benzyl-α-L-idopyranosyluronate)-(1->4)-O-2-azido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranoside

methyl 3-O-benzyl-β-L-idopyranuronate 1,2-(methyl-orthoacetate)

methyl 3-O-benzyl-β-L-lyxo-hex-4-enopyranuronate 1,2-(methyl orthoacetate)

methyl 6-O-benzoyl-3-O-benzyl-2-(benzyloxycarbonyl)amino-2-deoxy-4-O-(methyl 2,4-di-O-acetyl-3-O-benzyl-α-L-idopyranosyluronate)-α-D-glucopyranoside

allyl (methyl 3-O-benzyl-2,4-O-(4-methoxybenzylidene)-α-L-idopyranosyluronate)-(1->4)-O-6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranoside