1. State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, PR China
2. School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang, PR China
3. The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, PR China
4. Graduate School, Guizhou Medical University, Guiyang, PR China
5. Pharmacy Affiliated Hospital of Guizhou Medical University, Guiyang, PR China