Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 Nalpha-(N,N-dimethylcarbamoyl)-alpha-azalysinep-nitrophenyl ester COVPDB950 CN(C)C(=O)NN(CCCCN)C(=O)Oc1ccc(cc1)[N+]([O-])=O 1