5-Chloro-2-hydroxymuconic semialdehyde COMPOUNDDESCRIPTIONEawag BBD compound c0300 SMILES: C(=C(/C=O)\Cl)/C=C(\C(=O)[O-])/O Your Options: Update the Compound: POST with (required) compoundName and (optional) compoundDescription. Delete the Compound: DELETE.