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