Oleanan-29-al, 13,28-epoxy-3-((O-beta-D-glucopyranosyl-(1-2)-O-beta-D-glucopyranosyl-(1-2)-O-(O-beta-D-xylopyranosyl-(1-2)-beta-D-glucopyranosyl-(1-4))-alpha-L-arabinopyranosyl)oxy)-16-hydroxy-, (3beta,16alpha,20beta)-