Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 Z-Leu-Leu-Leu-B(OH)2 COVPDB642 CC(C)C[C@@H](B(O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)NC(=O)OCc1ccccc1 2