SEARCH Articles Figures Tables Dicarboxylic acids, reaction Pyridination reaction Pyridine 2,5-dicarboxylate Pyridine dicarboxylates Pyridine, reactions Pyridine-2,3 -dicarboxylic acid reaction with Pyridine-3,5-dicarboxylic acid, reaction complexes Pyridines acidity Pyridines pyridine-3,5-dicarboxylate