Synonyms: 3-O-beta-D-xylopyranosyl-(1->2)-O-beta-D-xylopyranosyl-(1->3)-O-alpha-L-rhamnopyranosyl-(1->2)-alpha-L-arabinopyranosyl oleanolic acid 28-O-alpha-L-rhamnopyranosyl-(1->4)-beta-D-glucopyranosyl-(1->6)-beta-D-glucopyranosyl ester