1. Department of Chemistry, Department of Molecular Therapeutics, and Natural Products Library Initiative at TSRI, Scripps Florida, Jupiter, Florida 33458, United States, Division of Pharmaceutical Sciences, School of Pharmacy, University of Wisconsin−Madison, Madison, Wisconsin 53705, United States, and Department of Pathology and Biotechnology and Bioengineering Center, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, United States