SMILES: C1=CC(=CC=C1C[C@@H](C(=O)N[C@@H](CC2=CN=CN2)C(=O)O)N)O
Description: The molecule is a dipeptide formed from L-tyrosine and L-histidine residues. It has a role as a metabolite. It derives from a L-tyrosine and a L-histidine.