1. Department of Chemistry, College of Science & Arts, King Abdulaziz University, Rabigh, Saudi Arabia
2. Faculty of Science, Department of Chemistry, Alexandria University, Alexandria, Egypt
3. Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
4. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
5. Faculty of Pharmacy, Department of Medicinal Chemistry, Mansoura University, Mansoura, Egypt