1. Mohareb Department of Chemistry Faculty of Science Cairo University A. R. Egypt
2. Egyptian Drug Authority (EDA) 51 Wezaret El-Zeraa St Dokki Giza, A. R. Egypt
3. Department of Pharmaceutical Organic Chemistry Faculty of Pharmacy Heliopolis University 3 Cairo-Belbeis Desert Rd El-Nahda Second Al salam Cairo A. R. Egypt
4. Higher Institute of Engineering and Technology, El-Tagammoe El-Khames New Cairo Egypt