1. Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, 33 El Bohouth Street, Dokki, Giza 12622, Egypt
2. Labeled Compounds Department, Hot Labs.center, Egyptian Atomic Energy Authority (EAEA), P.O.
Box 13759, Cairo, Egypt
3. Department of Microbiology and Immunology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11754, Egypt
4. Department of Pharmaceutical Medicinal Chemistry and Drug Design, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11754, Egypt
5. The National Committee of Drugs, Academy of Scientific Research and Technology, Cairo 11516, Egypt