1. Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, North Carolina 27402, United States
2. Department of Pharmaceutical Sciences, BRITE, North Carolina Central University, 1801 Fayetteville Street, Durham, North Carolina 27707, United States
3. Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
4. Natural Products Laboratory, Research Triangle Institute, P.O. Box 12194, Research Triangle Park, North Carolina 27709, United States
5. Mycosynthetix, Inc., 505 Meadowland Drive, Suite 103, Hillsborough, North Carolina 27278, United States