allyl (methyl 2-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-(tert-butyl orthoacetate)

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

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

methyl (benzyl 2-O-acetyl-3-O-benzyl-α-L-idopyranosid)uronate