The molecule is a hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and phosphate OH groups of (S)-2-hydroxy-3-oxo-4-(phosphonooxy)butanoic acid; major species at pH 7.3. It is a hydroxy monocarboxylic acid anion, an organophosphate oxoanion and a 3-oxo monocarboxylic acid anion. It is a conjugate base of a (S)-2-hydroxy-3-oxo-4-(phosphonooxy)butanoic acid. It is an enantiomer of a (R)-2-hydroxy-3-oxo-4-(phosphonatooxy)butanoate(3-).
(2S)-2-hydroxy-3-oxo-4-phosphonatooxybutanoate