1. State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People’s Republic of China
2. School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People’s Republic of China
3. Natural Products Research Center of Guizhou Province, Guiyang 550014, People’s Republic of China
4. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People’s Republic of China