Synonyms: b-D-Allopyranose, cyclic4,6-[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]2-[2-(5-carboxy-2,3-dihydroxyphenoxy)-3,4,5-trihydroxybenzoate]1-[3-(6-carboxy-2,3,4-trihydroxyphenoxy)-4,5-dihydroxybenzoate]3-(3,4,5-trihydroxybenzoate), cyclic 2®1:1®2-ester with b-D-glucopyranose cyclic4,6-[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]3-(3,4,5-trihydroxybenzoate) (9CI)