D-Glucose,cyclic 2,3-(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate)4-[2-(5,10-dihydro-2,3,7,8-tetrahydroxy-5,10-dioxo[1]benzopyrano[5,4,3-cde][1]benzopyran-1-yl)-3,4,5-trihydroxybenzoate]6-(3,4,5-trihydroxybenzoate), [2(S),4(S)]-