oleanolic acid 3-O-alpha-L-rhamnopyranosyl-(1-2)-(beta-D-glucopyranosyl-(1-4))-alpha-L-arabinopyranoside
oleanolic acid 3-o-alpha-l-rhamnopyranosyl-(1-2)-(beta-d-glucopyranosyl-(1-4))-alpha-l-arabinopyranoside