1. Pharmaceutical Chemistry Department, Drug Exploration and Development Chair (DEDC), College of Pharmacy , King Saud University , Riyadh 11451 , Saudi Arabia
2. Peptide Chemistry Department, Chemical Industries Research Division , National Research Centre , Dokki 12622 , Cairo , A.R. Egypt
3. Applied Organic Chemistry Department, Chemical Industries Research Division , National Research Center , Dokki 12622, Cairo , A.R. Egypt
4. Department of Photochemistry, Chemical Industries Research Division , National Research Center , Dokki 12622 , Cairo, A.R. Egypt
5. Bioproducts Research Chair, Zoology Department, College of Science , King Saud University , Riyadh 11451 , Kingdom of Saudi Arabia
6. Natural and Microbial Products Department , National Research Centre , Dokki 12622, Cairo , A.R. Egypt