1. Center for Integrative Chemical Biology and Drug Discovery, Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
2. Institute of Physics of São Carlos, University of São Paulo, Av. Joao Dagnone, 1100 − Jardim Santa Angelina, São Carlos 13563-120, Brazil
3. Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill, North Carolina 27599, United States
4. UNC Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina 27599, United States
5. Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, United States