1. International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, Karachi University,
Karachi, Pakistan
2. Chemistry Department, Faculty of Science, Alexandria University,
Alexandria, Egypt
3. Chemistry Department, Faculty of Science, Suez Canal University,
Ismailia, Egypt
4. Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, Karachi University,
Karachi, Pakistan