The molecule is a 3-hydroxy-L-aspartic acid. It is a conjugate acid of a (3R)-3-hydroxy-L-aspartate(1-) and a (3R)-3-hydroxy-L-aspartate(2-). It is an enantiomer of a (3S)-3-hydroxy-D-aspartic acid.
(2S,3R)-2-amino-3-hydroxybutanedioic acid