.beta.-D-Glucopyranoside, (3b,20b)-11,29-dihydroxyolean-12-en-3-yl 2-O-.beta.-D-glucopyranosyl- 134250-16-1 18.beta.-Olean-12-ene-3.beta.,11.xi.,30-triol-3-O-.beta.-D-glucopyranosyl(1-