116787-90-7

Urs-12-en-28-oicacid,23,24-[(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-diyl)bis(carbonyloxy)]-2,3-dihydroxy-,3-O-(3,4,5-trihydroxybenzoyl)-b-D-glucopyranosyl ester, [2a,3b,4(R)]-