cis-4-(7-Hydroxypyren-8-yl)-2-oxobut-3-enoate COMPOUNDDESCRIPTIONEawag BBD compound c0969 SMILES: C1=CC2=C3C(=C1)C=CC4=CC(=C(/C=C\C(=O)C(=O)[O-])C(=C43)C=C2)O Your Options: Update the Compound: POST with (required) compoundName and (optional) compoundDescription. Delete the Compound: DELETE.