1. Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University, Sharq El-Nile, 62511 Beni-Suef, Egypt
2. Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt
3. Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St, 62514 Beni-Suef, Egypt