SMILES: C1=CSC(=C1)CC(=O)O
Description: The molecule is a thiophene compound having a carboxymethyl group at the 2-position. It has a role as an allergen. It is a member of thiophenes and a monocarboxylic acid. It derives from an acetic acid. It is a conjugate acid of a thien-2-ylacetate.