1. Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
2. Department of Life Sciences, Aberystwyth University, Aberystwyth SY23 3DA, United Kingdom
3. Department of Life Sciences, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
4. UK National Crystallography Service, School of Chemistry, University of Southampton, Southampton SO17 1BJ, United Kingdom
5. Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan