89064-31-3

benzoic acid, 3,4,5-trihydroxy-, (4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-diyl)bis[(2R,3R)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-2,3-diyl] ester