1. Pharmaceutical Organic Chemistry Department
2. Faculty of Pharmacy
3. Cairo University
4. Cairo
5. Egypt
6. Pharmaceutical Chemistry Department
7. Nahda University
8. Beni-Suef 62513
9. Pharmacognosy Department
10. Beni-Suef University
11. Microbial Chemistry Department
12. National Research Center
13. Giza
14. Organic and Medicinal Chemistry Department
15. Fayoum University
16. Fayoum 63514