standard reference drugs (Losartan, Procainamide, Cinacalcet, Arbidol, Hydroxychloroquine, Oberadilol, Poziotinib). S. No. Ligands GNo. of vio.a VNo. of vio.b ENo. of vio.c MNo. ofvio.d Leadlikeness 1. Withaferin A 1 0 0 0 2 2. Withanolide A 1 0 0 0 1 3. Withanolide B 1 0 0 0 2 4. Withanolide D 1 0 0 0 1 5. Withanolide E 2 0 0 0 1 6.