1. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, MS 38677 (zhaicm163@163.com; meiwang@olemiss.edu; vraman@olemiss.edu; jurehman@olemiss.edu; ymeng@olemiss.edu; jianping@olemiss.edu; bavula@olemiss.edu; wangyh@olemiss.edu; ikhan@olemiss.edu)
2. Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang Province 150040, China,
3. Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, MS 38677