Figure 3

Thumb II dihydro pyrol inhibitor (Filibuvir) pharmacophore used for screening several databases. Its features are: A and B: two methyl groups and C: cyclopentyle group as well as D: one hydrogen acceptor E: The enol/ketone oxygen of the dihydropyrone and F: one other hydrogen donor and acceptor (The lactone carbonyl of the dihydropyrone).