1. Faculty of Pharmacy, Department of Pharmaceutical Organic Chemistry; Al-Azhar University; Assiut Egypt
2. Faculty of Pharmacy, Department of Medicinal Chemistry; Minia University; Minia Egypt
3. Faculty of Pharmacy, Department of Pharmaceutical Organic Chemistry; Assiut University; Assiut Egypt
4. Department of Pharmaceutical Chemistry, College of Pharmacy; Jouf University; Sakaka Saudi Arabia