1. Department of Chemistry of Natural Compounds; Division of Pharmaceutical Industries Research; National Research Center; Dokki Giza Egypt
2. Department of Chemistry of Natural and Microbial Products; Division of Pharmaceutical Industries Research; National Research Center Dokki Giza Egypt
3. Department of Green Chemistry; Division of Chemical Industries Research; National Research Center; Dokki Giza Egypt
4. Department of Biochemistry; Division of Genetic Engineering and Biotechnology Research; National Research Center; Dokki Giza Egypt
5. Department of Pharmaceutical Sciences; Massachusetts College of Pharmacy and Health Sciences; Boston MA USA