allyl 2,6-di-O-benzoyl-4-O-(2,6-di-O-benzoyl-3,4-O-isopropylidene-β-D-galactopyranosyl)-3-O-[3,4-O-isopropylidene-2-O-(4-methoxybenzyl)-α-L-fucopyranosyl]-β-D-glucopyranoside

2-azido-1-O-nitro-3,4-di-O-acetyl-L-fucose