.beta.-D-Glucopyranose, cyclic 2 to 5:4 to 1-ester with (5-carboxy-3,4-dihydro-3,7,8-trihydroxy-2-oxo-2H-1-benzopyran-4-yl)butanedioic acid, cyclic 3,6-(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'dicarboxylate) 1-(3,4,5-trihydroxybenzoate) .beta.-D-Glucopyranose, cyclic 2.fwdarw.5:4.fwdarw.1-ester with (5-carboxy-3,4-dihydro-3,7,8-trihydroxy-2-oxo-2H-1-benzopyran-4-yl)butanedioic acid, cyclic 3,3-(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate) 1-(3,4,5-trihydroxybenzoate) Chebulagic acid NSC342674