SMILES: C1=CSC(=C1)C(=O)CCC(=O)O
Description: The molecule is a 4-oxo monocarboxylic acid that is butyric acid bearing oxo and 2-thienyl groups at position 4. It has a role as a hapten. It is a member of thiophenes and a 4-oxo monocarboxylic acid. It derives from a butyric acid.