methyl 2,3-O-isopropylidene-4-O-(2,3,5,6-tetra-O-acetyl-β-D-galactofuranosyl)-α-L-rhamnopyranoside

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