1. Department of Chemistry, Prince Sattam Bin Abdul-Aziz University, Saudi Arabia and Chemistry of Natural and Microbial Products Department, National Research Center, Dokki, Egypt.
2. Therapeutic Chemistry Department, Pharmaceutical Industries Research Division, National Research Center, Dokki, Egypt.
3. Medical Biochemistry Department, Medical Research division, National Research Center, Dokki, Egypt.
4. Pathology Department, National Research Center, Dokki, Egypt.
5. Department of Biology, Prince Sattam Bin Abdulaziz University, Saudi Arabia and Department of Botany, Faculty of Science, Cairo University, Egypt.