1. Department of Medicinal Chemistry, School of Pharmacy, University of Kansas, Lawrence, Kansas 66047, United States
2. Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
3. School of Biological Sciences, Centre for Biodiscovery, Victoria University of Wellington, Wellington 6140, New Zealand
4. Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, United States