Benzyl 4-O-{4-O-[[2,4-di-O-acetyl-3-O-[2,4-di-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-3,6-di-O-benzyl-a-D-mannopyranosyl]-6-O-[3,4-di-O-acetyl-2,6-di-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-b-D-mannopyranosyl]-b-D-mannopyranosyl]]-3,6-di-O-benzyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl}-3-O-benzyl-6-O-(tri-O-benzyl-a-L-fucopyranosyl)-2-deoxy-2-phthalimido-b-D-thioglucopyranoside