1. Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100043, China
2. State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guizhou 550014, China
3. Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guizhou 550014, China
4. Guizhou Medical University, Guizhou 550025, China