phenyl O-(2,3,4,6-tetra-O-benzyl-glucopyranosyl)-1-4-O-(2,3,6-tri-O-benzylglucopyranosyl)-1-6-O-(2,3,4,6-tetra-O-acetylglucopyranosyl)-1-4-2,3-di-O-acetyl-1-thioglucopyranoside