The molecule is a monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 4-methoxy-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid; major species at pH 7.3. It is a conjugate base of a 4-methoxy-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid.
4-methoxy-1-methyl-2-oxopyridine-3-carboxylate