21alpha-hydroxyoleanolic acid 3-O-alpha-L-rhamnopyranosyl-(1-2)-O-beta-D-glucopyranosyl-(1-2)-beta-D-glucopyranoside
21alpha-hydroxyoleanolic acid 3-o-alpha-l-rhamnopyranosyl-(1-2)-o-beta-d-glucopyranosyl-(1-2)-beta-d-glucopyranoside