4-Agp-bgp-GP 4-O-(4-O-alpha-Galactopyranosyl-beta-galactopyranosyl)glucopyranose 80446-87-3 C18-H32-O16 O-alpha-D-Galactopyranosyl-(1-4)-O-beta-D-galactopyranosyl-(1-4)-alpha-D-glucopyranose alpha-D-Glucopyranose, O-alpha-D-galactopyranosyl-(1-4)-O-beta-D-galactopyranosyl-(1-4)-