The molecule is a dipeptide obtained by formal condensation of the carboxy group of L-histidine with the amino group of L-phenylalanine. It derives from a L-histidine and a L-phenylalanine.
(2S)-2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]-3-phenylpropanoic acid