The molecule is a dipeptide composed of one N-acetyl-L-aspartic acid and two L-glutamic acid units joined in sequence. It is a conjugate acid of an Ac-Asp-Glu-Glu(4-).
(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-3-carboxypropanoyl]amino]-4-carboxybutanoyl]amino]pentanedioic acid