142628-19-1 3-O-(beta-D-Galactopyranosyl-(1-2)-(alpha-L-rhamnopyranosyl-(1-4))-beta-D-glucopyranosyl)melandrigenin Melandrioside A beta-D-Glucopyranosiduronic acid, (3beta,4alpha,17alpha,21beta)-21-hydroxy-16,23-dioxo-28-norolean-12-en-3-yl O-6-deoxy-alpha-L-mannopyranosyl-(1-4)-O-(beta-D-galactopyranosyl-(1-2))-