1 PDC Pyridine-2,6-dicarboxylic acid 1.000 2 8G0 Benzene-1,3-dicarboxylic acid 0.846 3 40F (1s,2s,5r,6s)-2-aminobicyclo[3.1.0]hexane-2,6-dicarboxylic acid 0.786 4 HLD 4-oxo-4h-pyran-2,6-dicarboxylic acid 0.786 5 LNS 6-(methylcarbamoyl)pyridine-2-carboxylic acid 0.786 6 ZR0 4-bromobenzene-1,3-dicarboxylic acid 0.786 7 5XB (2~{R},4~{R})-1,3-thiazolidine-2,4-dicarboxylic acid 0.769 8 ZY9 6-(aminomethyl)pyridine-2-carboxylic acid 0.769 9 6PC Pyridine-2-carboxylic acid 0.750 10 CPI 6-carboxypiperidine 0.750 11 YCP (2s)-piperidine-2-carboxylic acid 0.750 12 1WB 5-methoxybenzene-1,3-dicarboxylic acid 0.733 13 41K (2r,4r)-2-methyl-1,3-thiazolidine-2,4-dicarboxylic acid 0.714 14 7ZS 3-methanoyl-2-oxidanyl-benzoic acid 0.714 15 9SE (2~{R},4~{R})-2-methyl-1,3-selenazolidine-2,4-dicarboxylic acid 0.714 16 HWA 3-hydroxy-6-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid 0.714