1. Contribution from the College of Pharmacy, The University of Arizona, 1703 East Mabel, Tucson, Arizona 85721, Arizona Cancer Center, 1515 North Campbell Avenue, Tucson, Arizona 85724, Department of Chemistry, The University of Arizona, Tucson, Arizona 85721, Cylene Pharmaceuticals, 11045 Roselle Street, Suite C, San Diego, California 92121, Institute of Molecular and Cellular Biosciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan, and Department of Chemistry, Georgia State...