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