1. Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
2. Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky 40536, United States
3. Department of Neuroscience, University of Kentucky, Lexington, Kentucky 40536, United States
4. Center for Pharmaceutical Research and Innovation and Department of Pharmaceutical Sciences, College of Pharmacy University of Kentucky, Lexington, Kentucky 40536, United States
5. Markey Cancer Center, University of Kentucky, Lexington, Kentucky 40536, United States