1. Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
2. Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States
3. Stephenson Cancer Center, University of Oklahoma, Oklahoma City, Oklahoma 73104, United States
4. Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma 73117, United States