5-O-allyl-2,3-di-O-benzyl-4-O-<2,4-di-O-acetyl-3-O-<2,4,6-tri-O-acetyl-3-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-α-D-glucopyranosyl>-α-L-rhamnopyranosyl>-D-ribitol