66663-91-0

Olean-12-en-28-oicacid, 3-(b-D-glucopyranosyloxy)-2,16,23-trihydroxy-,O-D-apio-b-D-furanosyl-(1®3)-O-b-D-xylopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-a-L-arabinopyranosyl ester, (2b,3b,4b,16a)-