SMILES: CC1([C@@H](N[C@H](S1)CNC(=O)CC2=CC=CC=C2)C(=O)O)C
Description: The molecule is a thiazolidinemonocarboxylic acid resulting from nucleophilic cleavage of the beta-lactam ring of benzylpenicillin. It has a role as an epitope. It derives from a benzylpenicillin.