SMILES: C1=C(OC(=C1)C(=O)O)C=O
Description: The molecule is a member of the class of furoic acids that is 2-furoic acid substituted at position 5 by a formyl group. It is a furoic acid, an arenecarbaldehyde and an aldehydic acid. It is a conjugate acid of a 5-formyl-2-furoate.