1. Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
2. Department of Chemistry, University College in Al-Jamoum, Umm Al-Qura University, Makkah, Saudi Arabia
3. Department of Pharmaceutical Chemistry, College of pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
4. Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Heliopolis, Cairo, Egypt