3-O-alpha-L-rhamnopyranosyl-(1-2)-alpha-L-arabinopyranosyl-3beta-hydroxyolean-12-ene-28,29-dioic acid
3-o-alpha-l-rhamnopyranosyl-(1-2)-alpha-l-arabinopyranosyl-3beta-hydroxyolean-12-ene-28,29-dioic acid