3beta-hydroxy-22alpha-methoxy-26-O-beta-D-glucopyranosyloxy-5alpha-furost-25(27)-en-2-one-3-O-(O-alpha-L-rhamnopyranosyl(1-2)-O-(O-alpha-L-arabinopyranosyl(1-2)-O-(beta-D-xylopyranosyl(1-3))-beta-D-glucopyranosyl(1-4))-beta-D-galactopyranoside)