66663-90-9

Olean-12-en-28-oic acid,3-[(3-O-â-D-glucopyranosyl-â-Dglucopyranosyl) oxy]-2,16,23,24-tetrahydroxy-,O-D-apio-â-D-furanosyl-(1f3)-O-â-Dxylopyranosyl-( 1f4)-O-6-deoxy-R-Lmannopyranosyl-( 1f2)-R-L-arabinopyranosyl ester,(2â,3â,16R)-