3-O-beta-glucopyranosyl-(1,6)-beta-glucopyranosyl-(1,6)-beta-D-glucopyranosyl-2beta,3beta,16alpha,23,24-pentahydroxyolean-12-ene-28-oic acid 28-O-beta-apiofuranosyl-(1,3)-beta-xylopyranosyl-(1,4)-alpha-rhamnopyranosyl-(1,2)-alpha-arabinopyranoside