SMILES: CC(=O)NCCCCC(=O)[O-]
Description: The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of 6-acetamido-2-oxopentanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 5-acetamidopentanoic acid.