1. Labelled Compounds Department, Hot Labs Center, Atomic Energy Authority, Cairo, Egypt;
2. Pharmaceutical Chemistry Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science & Technology, Giza, Egypt;
3. Pharmaceutics and Industrial Pharmacy Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt;
4. Radioactive Isotopes and Generator Department, Hot Labs Center, Atomic Energy Authority, Cairo, Egypt;
5. Pharmaceutical Chemistry Department, Faculty of Pharmacy, October University of Modern Sciences and Arts (MSA), Giza, Egypt