Olean-12-en-28-oic acid, 3-((6-O-alpha-L-arabinopyranosyl-beta-D-glucopyranosyl)oxy)-2,16-dihydroxy-, O-beta-D-xylopyranosyl-(1-4)-O-6-deoxy-alpha-L-mannopyranosyl-(1-2)-beta-D-xylopyranosyl ester, (2beta,3beta,16alpha)-