allyl O-(3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-beta-Glup)(1-4)-O-(3,6-di-O-allyl-2-O-benzyl-beta-Manp)(1-4)-O-3,6-di-O-benzyl-2-deoxy-2-phthalimido-beta-Glup(1-4)-3-O-benzyl-2-deoxy-6-O-4-methoxyphenyl-2-phthalimido-beta-Glup