1. Pharmaceutical Analytical Chemistry Department
2. Faculty of Pharmacy
3. Beni-Suef University
4. 62514 Beni-Suef
5. Egypt
6. Pharmaceutical Chemistry Department
7. Nahda University (NUB)
8. 62511 Beni-Suef
9. Medicinal Chemistry Department
10. Analytical Chemistry Department
11. Cairo University
12. PO 11562 Cairo