The molecule is a 3-hydroxy-D-aspartic acid in which the carbon bearing the hydroxy substituent has R configuration. It is a conjugate acid of a (3R)-3-hydroxy-D-aspartate(1-). It is an enantiomer of a (3S)-3-hydroxy-L-aspartic acid.
(2R,3R)-2-amino-3-hydroxybutanedioic acid