Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 methoxysuccinyl-alanyl-alanyl-prolyl-alanine chloromethyl ketone COVPDB498 COC(=O)CCC(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(=O)CCl 3