(20beta)-3-O-(alpha-L-rhamnopyranosyl-(1-2)-beta-D-glucopyranosyl-(1-2)-beta-D-xylopyranosyl)ursa- 12,18-dien-28-oic acid 28-O-beta-D-glucopyranosyl ester
(20beta)-3-o-(alpha-l-rhamnopyranosyl-(1-2)-beta-d-glucopyranosyl-(1-2)-beta-d-xylopyranosyl)ursa- 12,18-dien-28-oic acid 28-o-beta-d-glucopyranosyl ester