3-O-(beta-D-glucopyranosyl(1-2))-(alpha-D-arabinopyranosyl(1-3)),(alpha-l-arabinofuranosyl(1-4))-beta-D-glucuronopyranosyl-21-angeloyl-22-senecioylolean-12-en-3beta,15alpha,16alpha,21beta,22alpha,28-hexol