SMILES: C1=CC(=CC=C1C[C@@H](C(=O)O)[NH3+])O
Description: The molecule is an optically active form of tyrosinium having L-configuration. It has a role as a fundamental metabolite. It is a conjugate acid of a L-tyrosine and a L-tyrosine zwitterion. It is an enantiomer of a D-tyrosinium.