1. Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States
2. College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
3. College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
4. Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio 43210, United States
5. Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina 24702, United States
6. Mycosynthetix, Inc., Hillsborough, North Carolina 27278, United States
7. Field Museum of Natural History, Chicago, Illinois 60605, United States
8. College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States