1. Department of Chemistry, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt
2. Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
3. Chemistry Department, Faculty of Science, Assiut University, 71516 Assiut, Egypt
4. Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, 21944 Taif, Saudi Arabia
5. Department of Chemistry, Jamoum University College, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
6. Department of Chemistry, College of Science, United Arab Emirates University, P.O. Box 15551 Al Ain, Abu Dhabi, United Arab Emirates