1. Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, Michigan 48859, United States
2. Biochemistry, Cell, and Molecular Biology Program, Central Michigan University, Mount Pleasant, Michigan 48859, United States
3. Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, United States
4. Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
5. Department of Chemistry, University of Southern Maine, Portland, Maine 04104, United States