1. 1Pharmaceutical Chemistry Department, College of Pharmacy, Drug Exploration and Development Chair (DEDC), King Saud University, Riyadh 11451, Saudi Arabia
2. 2Applied Organic Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
3. 3Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
4. 4Department of Medicial Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt