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