Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 6-[2-(4-ethyl-2,3-dioxo-piperazin-1-ylamino)-2-phenyl-acetylamino]-3,3,-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid COVPDB646 CCN1CCN(N[C@@H](C(=O)N[C@H]2[C@H]3SC(C)(C)[C@@H](N3C2=O)C(O)=O)c2ccccc2)C(=O)C1=O 1