SMILES: C(=C/C(=O)C(=O)O)\\C=C/O
Description: The molecule is a muconic semialdehyde having a hydroxy substituent at the 2-position. It is a muconic semialdehyde and an alpha,beta-unsaturated monocarboxylic acid. It is a conjugate acid of a 2-hydroxy-6-oxohexa-2,4-dienoate.