Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 (1S,2S)-2-[(N-{[(4,4-difluorocyclohexyl)methoxy]carbonyl}-L-leucyl)amino]-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid COVPDB1267 CC(C)C[C@H](NC(=O)OCC1CCC(F)(F)CC1)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O 4