16-O-(glucopyranosyl(1-3)glucopyranosyl-20-O-arabinopyranosyl)-3,16,20,24,25-pentahydroxy-9,19-cyclolanostane
16-o-(glucopyranosyl(1-3)glucopyranosyl-20-o-arabinopyranosyl)-3,16,20,24,25-pentahydroxy-9,19-cyclolanostane