Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 ethyl (2E,4S)-4-[(2S)-2-[(2S)-2-{[(benzyloxy)carbonyl]amino}-3-(tert-butoxy)propanamido]-3-phenylpropanamido]-5-[(3S)-2-oxopyrrolidin-3-yl]pent-2-enoate COVPDB840 O=C1NCC[C@H]1C[C@@H](/C=C/C(=O)OCC)NC(=O)[C@H](Cc2ccccc2)NC(=O)[C@H](COC(C)(C)C)NC(=O)OCc3ccccc3 5