1. Division
of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
2. Department
of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
3. Division
of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
4. Division
of Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
5. Department
of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
6. Institute
of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hoang
Quoc Viet, Cau Giay, Hanoi, Vietnam
7. Department
of Botany, Field Museum of Natural History, Chicago, Illinois 60605, United States
8. Comprehensive
Cancer Center, The Ohio State University, Columbus, Ohio 43210, United States