1. Department of Pharmacy, Nantong Hospital of Traditional Chinese Medicine, Nantong, PR China
2. Cash crop development center of Fuling District, Chongqing, PR China
3. State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, PR China
4. The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, PR China