SARS-CoV-2(18) COVID-19(14) Potential(10) molecular(10) COVID-19 pandemic(9) drug(9) drug design(9) inhibitor(7) enzyme(7) Analysis(7) candidate(7) spike(6) Protein(6) caused(6) protease(6) target(6) approach(6) Structure(6) analyzed(6) effective(6) antiviral drugs(6) protein structures(6) Interaction(6) COVID19(5) Infection(5) molecular docking(5) complexes(5) ACE2(5) docking(5) Molecular modeling(5)