137815-01-1 4(5)-O-Galactosylmaltopentaose 4(5)-O-beta-Galactosyl-maltopentaose 4-Gmps D-Glucose, O-beta-D-galactopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-