Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 (3E,5E)-6-(4-nitrophenyl)-2-oxohexa-3,5-dienoic acid COVPDB984 OC(=O)C(=O)\C=C\C=C\c1ccc(cc1)[N+]([O-])=O 1