1. Pharmaceutical Chemistry Department, Drug Exploration and Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
2. Theripeutical Chemistry Department, National Research Centre, 12622-Dokki, Cairo, Egypt
3. Research Unit, Saco Pharm. Co., 6th October City 11632, Egypt
4. Department of Chemistry, Faculty of Science, Zagazig University, Zagazig 12435, Egypt