Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 (3S,4S)‐4‐ethyl‐1‐(4‐methylbenzenesulfonyl)‐5‐oxopyrrolidine‐3‐carboxylic acid COVPDB1394 [H][C@]1(CN(C(=O)[C@@]1([H])CC)S(=O)(=O)c1ccc(C)cc1)C(O)=O 3 2 (3S,4S)‐4‐ethyl‐1‐(4‐nitrobenzenesulfonyl)‐5‐oxopyrrolidine‐3‐carboxylic acid COVPDB1395 CC[C@H]1[C@@H](CN(C1=O)S(=O)(=O)c1ccc(cc1)[N+]([O-])=O)C(O)=O 3 3 GW311616A COVPDB287 CC(C)[C@H]1[C@H]2[C@@H](CCN2C(=O)\C=C\CN2CCCCC2)N(C1=O)S(C)(=O)=O 1