The molecule is a 2-oxo monocarboxylic acid that is pyruvic acid in which two of the methyl hydrogens are substituted by phenyl and methyl groups (the S-enantiomer). It derives from a pyruvic acid. It is a conjugate acid of a (3S)-3-methyl-2-oxo-3-phenylpropanoate.
(3S)-2-oxo-3-phenylbutanoic acid