(25R)-3beta,17alpha-dihydroxy-5alpha-spirostan-1 2-one 3-O-beta-D-xylopyranosyl-(1-->3)-(alpha-L-arabinopyranosyl-(1--> 2))-beta-D-glucopyranosyl-(1-->4)-(alpha-L-rhamnopyra- nosyl-(1-->2))l-beta-D-galactopyranoside