152464-75-0 3-O-Glucopyranosyl-1-3-ribopyranosyl-1-3-rhamnopyranosyl-1-2arabinopyranosyloleanolic acid 28-O-rhamnopyranosyl-1-4-glucosypyranosyl-1-6-glucopyranoside Hupehensis saponin D Saponin D, hupehensis