The molecule is a dipeptide that is Glu-Glu in which one of the amino terminal hydrogens is replaced by a beta-citryl group. It derives from a citric acid and a Glu-Glu.
3-[[(2S)-4-carboxy-1-[[(1S)-1,3-dicarboxypropyl]amino]-1-oxobutan-2-yl]carbamoyl]-3-hydroxypentanedioic acid