b-D-Glucopyranose, cyclic4,6-(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate)1-[2-[(5,10-dihydro-3,7,8-trihydroxy-5,10-dioxo[1]benzopyrano[5,4,3-cde][1]benzopyran-2-yl)oxy]-3,4,5-trihydroxybenzoate]2,3-bis(3,4,5-trihydroxybenzoate), (S)-