3-O-alpha-L-rhamnopyranosyl-(1-2)-(beta-D-glucopyranosyl-(1-4))-alpha-L-arabinopyranosyl siaresinolic acid 28-O-alpha-L-rhamnopyranosyl-(1-4)-beta-D-glucopyranosyl-(1-6)-beta-D-glucopyranosyl ester
3-o-alpha-l-rhamnopyranosyl-(1-2)-(beta-d-glucopyranosyl-(1-4))-alpha-l-arabinopyranosyl siaresinolic acid 28-o-alpha-l-rhamnopyranosyl-(1-4)-beta-d-glucopyranosyl-(1-6)-beta-d-glucopyranosyl ester