The molecule is an ADA and a dicarboxylic acid dianion. It is a conjugate base of a 2,2'-[(2-amino-2-oxoethyl)imino]diacetate(1-). It is a conjugate acid of a 2,2'-[(2-azanidyl-2-oxoethyl)imino]diacetate(3-).
2-[(2-amino-2-oxoethyl)-(carboxylatomethyl)amino]acetate