Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 {[6-(but-3-yn-1-yl)-4-formyl-5-hydroxypyridin-3-yl]methoxy}phosphonic acid COVPDB763 Oc1c(CCC#C)ncc(COP(O)(O)=O)c1C=O 1