trans,cis-5-Carboxymethyl-2-hydroxymuconate semialdehyde COMPOUNDDESCRIPTIONEawag BBD compound c0305 SMILES: C(=C(\CC(=O)[O-])/C=O)/C=C(\C(=O)[O-])/O Your Options: Update the Compound: POST with (required) compoundName and (optional) compoundDescription. Delete the Compound: DELETE.