1. Labeled Compounds Department , Hot Laboratories Center, Egyptian Atomic Energy Authority , P.O. Box 13759 , Cairo , Egypt
2. Department of Physics and Engineering Mathematics , Faculty of Engineering, Ain Shams University , P.O. Box 11566 , Cairo , Egypt
3. Pharmaceutical Chemistry Department, Faculty of Pharmacy , Ahram Canadian University , Giza , Egypt
4. Department of Pharmaceutical Chemistry , Dr. B. C. Roy College of Pharmacy and Allied Health Sciences , Durgapur 713 206 , West Bengal , India