3beta-O-(beta-D-ribopyranosyl-(1-3)-alpha-L-rhamnopyranosyl-(1-2)-alpha-L-arabinopyranosyl) hederagenin-11,13-dien-28-oic acid
3beta-o-(beta-d-ribopyranosyl-(1-3)-alpha-l-rhamnopyranosyl-(1-2)-alpha-l-arabinopyranosyl) hederagenin-11,13-dien-28-oic acid