The molecule is the conjugate base of (S)-3-(indol-3-yl)-2-oxobutyric acid. It is a conjugate base of a (S)-3-(indol-3-yl)-2-oxobutyric acid. It is an enantiomer of a (R)-3-(indol-3-yl)-2-oxobutyrate.
(3S)-3-(1H-indol-3-yl)-2-oxobutanoate