perbenzyl fucosyl bromide

8-methoxycarbonyloctyl 2-acetamido-4-O-(2-O-benzoyl-3,4,6-tri-O-benzyl-β-D-galactopyranosyl)-2-deoxy-3-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-β-D-glucopyranoside