SMILES: CC1([C@@H](N[C@H](S1)[C@@H](C(=O)N[C@@H](CS)C(=O)O)NC(=O)CC2=CC=CC=C2)C(=O)O)C
Description: The molecule is a compound obtained from nucleophilic cleavage of the beta-lactam ring of benzylpenicillin by the amino group of L-cysteine. It is a thiazolidinedicarboxylic acid and a dicarboxylic acid. It derives from a benzylpenicillin and a L-cysteine.