SMILES: CC(C)([C@H](C(=O)O)N)S
Description: The molecule is an optically active form of penicillamine having D-configuration. Pharmaceutical form (L-form is toxic) of chelating agent used to treat heavy metal poisoning. It has a role as a chelator, an antirheumatic drug and a drug allergen. It is a penicillamine and a non-proteinogenic alpha-amino acid. It is an enantiomer of a L-penicillamine.