116787-82-7

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