1. Department of Pharmacology, Medical Division, National Research Centre, 33 EL Bohouth st. (former EL Tahrir st.), Dokki, Giza P.O. 12622, Egypt
2. Department of Chemistry, Faculty of Science, Cairo University, Giza 12613, Saudi Arabia
3. Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah Almukkarramah, Saudi Arabia
4. Department of Chemistry, Faculty of Science, Cairo University, Giza 12613, Egypt