SMILES: C(C(CS)C(=O)O)S
Description: The molecule is a sulfur-containing carboxylic acid consisting of isobutyric acid having mercapto substituents on both beta-carbons. It is a dithiol and a sulfur-containing carboxylic acid. It derives from a propionic acid. It is a conjugate acid of a 3-mercapto-2-mercaptomethylpropanoate(1-).