1. Department
of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
2. Department
of Chemistry, Biochemistry, and Institute of Biomedical Studies, Baylor University, Waco, Texas 76706, United States
3. Department
of Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
4. Department
of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, United States