benzyl 3-O-benzyl-2-O-β-D-glucopyranosyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranoside

benzyl 3-O-benzyl-2-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-α-L-rhamnopyranoside