1. University of Arizona Cancer Center, 1515 North Campbell Avenue, Tucson, Arizona 85724, United States
2. Department
of Chemistry and Biochemistry and School of Biomedical Sciences, Kent State University, Kent, Ohio 44242, United States
3. University of Arizona, College of Pharmacy, 1703 East Mabel Street, Tucson, Arizona 85721, United States
4. BIO5 Institute, 1657 East
Helen Street, Tucson, Arizona 85721, United States