hanolide D Withanolide E Withanone Viscosalactone B Anaferine Withasomnine Arbidol Losartan 12.2. Best docking poses of WS phytoconstituents with SARS-CoV spike glycoprotein (PDB ID: 5WRG) in comparison to the FDA approved standard reference drugs (Arbidol and Hydroxychloroquine