(2alpha,3beta(R),4alpha)-3,23-((4,4',5,5',6,6'-Hexahydroxy(1,1'-biphenyl)-2,2'-diyl)bis(carbonyloxy))-2,24-dihydroxyolean-12-en-28-oic acid 116808-44-7 3,23-((4,4',5,5',6,6'-Hexahydroxy(1,1'-biphenyl)-2,2'-diyl)bis(carbonyloxy))-2,24-dihydroxyolean-12-en-28-oic acid (2alpha,3beta(R),4alpha)- Castanopsiniin A Olean-12-en-28-oic acid, 3,23-((4,4',5,5',6,6'-hexahydroxy(1,1'-biphenyl)-2,2'-diyl)bis(carbonyloxy))-2,24-dihydroxy-, (2alpha,3beta(R),4alpha)-