COVID-19(12) SARS-CoV-2(9) Treatment(6) Result(6) reported(5) Compound(5) drug(5) Analysis(5) coronavirus(5) protease(5) virus(5) disease(4) pandemic(4) Antiviral(4) Ligand(4) Molecular docking study(4) caused(4) inhibit(4) coronavirus disease(4) Drug discovery(3) effective(3) binding affinity(3) the disease(3) performed(3) in silico(3) Research(3) main protease(3) addition(3) treat(3) Evidence(3)