The molecule is a 3-hydroxyaspartic acid that has S configuration at the carbon bearing the amino group. It is a 3-hydroxyaspartic acid, a L-aspartic acid derivative and a non-proteinogenic L-alpha-amino acid. It is an enantiomer of a 3-hydroxy-D-aspartic acid.
(2S)-2-amino-3-hydroxybutanedioic acid