1. Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, and The Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
2. College of Pharmacy, University of Hawaii at Hilo, Hilo, Hawaii 96720, United States
3. Center for Pharmaceutical Biotechnology and Department of Medicinal Chemistry and Pharmacognosy, Department of Biological Sciences, and The Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
4. Scripps Institution of Oceanography, University of California at San Diego, La Jolla, California 92037, United States