1. Department
of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana 47907, United States
2. Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
3. Purdue
Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
4. Department
of Biochemistry, Purdue University, West Lafayette, Indiana 47907, United States