The molecule is a monocarboxylic acid anion that is the conjugate base of (S)-alpha-hydroxyglutaric acid-gamma-lactone, obatined by deprotonation of the carboxy group. It derives from a (S)-2-hydroxyglutarate(2-). It is a conjugate base of a (S)-alpha-hydroxyglutaric acid-gamma-lactone.
(2S)-5-oxooxolane-2-carboxylate