1. Pharmaceutical Organic Chemistry, Faculty of Pharmacy; Beni-suef University; Beni-suef Egypt
2. Pharmaceutical Chemistry, College of Pharmacy; Jouf University; Aljouf KSA
3. Pharmacognosy, Faculty of Pharmacy; Beni-suef University; Beni-suef Egypt
4. Pharmaceutical Analytical Chemistry, Faculty of Pharmacy; Beni-Suef University; Beni-Suef Egypt