Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 N-(tert-butoxycarbonyl)-L-alpha-glutamyl-N-[(1R)-1-(carboxycarbonyl)-3,3-difluoropropyl]-L-leucinamide COVPDB169 CC(C)C[C@H](NC(=O)[C@H](CCC(O)=O)NC(=O)OC(C)(C)C)C(=O)N[C@@H](CC(F)F)C(=O)C(O)=O 2