SMILES: C(CC(=O)[O-])C=O
Description: The molecule is the conjugate base of 4-oxobutanoic acid; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a 4-oxo monocarboxylic acid anion and an aldehydic acid anion. It is a conjugate base of a succinic semialdehyde.