1. Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Eygpt
2. Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia
3. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Egypt
4. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
5. Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla, Thailand