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