phenyl (2,3,4-tri-O-acetyl-6-O-trimethylacetyl-β-D-galactopyranosyl)-(1->4)-[(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-(1->3)]-2-deoxy-6-O-naphthylmethyl-2-phthalimido-1-thio-β-D-glucopyranoside