COVID-19(11) Treatment(8) SARS-CoV-2(8) therapy(7) effective(6) Drug discovery(5) mechanism(5) pandemic(5) Protein(5) viral replication(4) pharmacological(4) significantly(4) coronavirus(4) anti-SARS-CoV-2(4) caused(4) were used(4) binding interaction(3) RNA-dependent RNA polymerase(3) inhibit(3) Ligand(3) Coronaviral-2 RNA-dependent RNA polymerase (RdRp)(3) problem(3) docking(3) drug(3) antiviral action(3) activity(3) GS-441524(3) carried(3) binding(3) hypothetical(3)