(3beta,21beta)-21-((beta-D-glucopyranosyl-(1-2)-beta-D-glucopyranosyl)oxy)-3-hydroxyolean-12-en-28-oic acid
(3beta,21beta)-21-((beta-d-glucopyranosyl-(1-2)-beta-d-glucopyranosyl)oxy)-3-hydroxyolean-12-en-28-oic acid