SMILES: CCCCNC(=O)[C@H]([C@@H]1N[C@H](C(S1)(C)C)C(=O)O)N
Description: The molecule is an amide formed between 6-aminopenicillin and butylamine. It is a monocarboxylic acid amide and a thiazolidinemonocarboxylic acid. It derives from a 6-aminopenicillanic acid.