Acetic acid (2S,3R,4S,5R,6R)-4-acetoxy-5-azido-2-[(2R,3R,4R,5R,6R)-3-azido-5-((2R,3R,4R,5R,6R)-3-azido-6-azidomethyl-4,5-bis-benzyloxy-tetrahydro-pyran-2-yloxy)-6-azidomethyl-2-methoxy-tetrahydro-pyran-4-yloxy]-6-methyl-tetrahydro-pyran-3-yl ester

methyl 2-azido-6-O-(tert-butyldiphenylsilyl)-2-deoxy-3-O-levulinoyl-β-D-glucopyranoside