oleanolic acid 28-O-beta-D-glucopyranosyl-(1-3)-alpha-L-rhamnopyranosyl-(1-4)-beta-D-glucopyranosyl-(1-6)-beta-D-glucopyranosyl ester
oleanolic acid 28-o-beta-d-glucopyranosyl-(1-3)-alpha-l-rhamnopyranosyl-(1-4)-beta-d-glucopyranosyl-(1-6)-beta-d-glucopyranosyl ester