3-O-beta-D-glucopyranosyl-28-O-(beta-D-glucopyranosyl(1-2))-beta-D-glucopyranosyl-21beta,22alpha-dihydroxyl-olean-12-ene
3-o-beta-d-glucopyranosyl-28-o-(beta-d-glucopyranosyl(1-2))-beta-d-glucopyranosyl-21beta,22alpha-dihydroxyl-olean-12-ene