The molecule is a carboxylic acid anion resulting from the removal of a proton from the carboxy group of 4-oxo-4-(pyridin-3-yl)butanoic acid. The major species at pH 7.3. It is a conjugate base of a 4-oxo-4-(pyridin-3-yl)butanoic acid.
4-oxo-4-pyridin-3-ylbutanoate