The molecule is the conjugate base of N(3)-oxalyl-L-2,3-diaminopropionic acid having anionic carboxy groups and a protonated primary amino group; major species at pH 7.3. It is a conjugate base of a N(3)-oxalyl-L-2,3-diaminopropionic acid.
(2S)-2-azaniumyl-3-[(carboxylatoformyl)amino]propanoate