SMILES: C1=C(C(=C(C(=C1SC[C@@H](C(=O)O)N)O)O)SC[C@@H](C(=O)O)N)C[C@@H](C(=O)O)N
Description: The molecule is an L-tyrosine derivative that is L-DOPA in which the hydrogens at positions 2 and 5 on the phenyl ring are replaced by cysteinyl groups. Found in the urine of patients with melanoma. It has a role as a human urinary metabolite. It is a S-conjugate, a S-organyl-L-cysteine, a L-tyrosine derivative, a tricarboxylic acid, a triamine, an aryl sulfide and a member of catechols. It derives from a L-dopa.