1. School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, P. R. China
2. Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang 550025, P. R. China
3. Key Laboratory of Guizhou for Fermentation Engineering and Biomedicine, Guiyang 550025, P. R. China
4. Key Laboratory for Green Chemical and Clean Energy Technology of Guizhou Province, Guiyang 550025, P. R. China
5. Guiyang College of Traditional Chinese Medicine, Department of Pharmacy, Guiyang 550002, P. R. China
6. School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, P. R. China