1. Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
2. Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
3. Department of Microbiology, The Ohio State University, Columbus, Ohio 43210, United States
4. World Botanical Associates, Bakersfield, California, California 93380, United States
5. Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States