1 7L9 4-(3-carboxyphenyl)pyridine-2,5-dicarboxylic acid 1.000 2 DBF Dibenzofuran-4,6-dicarboxylic acid 0.739 3 QKU 3-[3-(hydroxymethyl)phenyl]benzoic acid 0.727 4 5FL 3-(pyridin-4-yl)benzoic acid 0.714