Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 ethyl (2Z,4S)-4-{[(2S)-2-methyl-3-phenylpropanoyl]amino}-5-[(3S)-2-oxopyrrolidin-3-yl]pent-2-enoate COVPDB255 O=C1NCC[C@H]1C[C@@H](/C=C/C(=O)OCC)NC(=O)[C@@H](C)Cc2ccccc2 1