1. Cairo University, Faculty of Pharmacy, Analytical Chemistry Department, 13 Kasr-El Aini St, 11562 Cairo, Egypt
2. Badr University in Cairo, School of Pharmacy and Pharmaceutical Industries, Chemistry Department, Cairo Suez St, Badr City, 11829 Cairo, Egypt
3. October University for Modern Sciences and Arts, Faculty of Pharmacy, Analytical Chemistry Department, 11787 6th October City, Egypt