The molecule is an ADA. It is a conjugate base of a 2,2'-[(2-amino-2-oxoethyl)imino]diacetic acid. It is a conjugate acid of a 2,2'-[(2-amino-2-oxoethyl)imino]diacetate(2-).
2-[(2-amino-2-oxoethyl)-(carboxymethyl)amino]acetate