The molecule is a dipeptide obtained by formal condensation of the carboxy group of pyroglutamic acid with the amino group of valine. It derives from a 5-oxo-L-proline and a L-valine. It is a conjugate base of a pyroglutamylvalinate.
(2S)-3-methyl-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]butanoic acid