methyl 3-O-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)-2-azido-4,6-O-benzylidene-2-deoxy-β-D-glucopyranoside

methyl 3-O-(β-D-ribofuranosyl)-4-O-(2',6'-diazido-3',4'-di-O-benzyl-2',6'-dideoxy-α-D-glucopyranosyl)-2,6-diazido-2,6-dideoxy-β-D-glucopyranoside

methyl 3-O-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)-2,6-diazido-2,6-dideoxy-6-O-acetyl-β-D-glucopyranoside