The molecule is a monocarboxylic acid anion obtained by deprotonation of the carboxy and one of the phosphonate OH groups of 3-phosphonopyruvic acid. It derives from a pyruvate and a phosphonate(1-). It is a conjugate base of a 3-phosphonopyruvic acid. It is a conjugate acid of a 3-phosphonatopyruvate(3-).
3-[hydroxy(oxido)phosphoryl]-2-oxopropanoate