1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China
2. College of Traditional Chinese Medicine, Yunnan University of TCM, Kunming 650500, China
3. Yunnan Key Laboratory of Tobacco Chemistry, R&D Center of China Tabacco Yunnan Industrial Co., Ltd., Kunming 650204, China
4. Research Center for Development and Utilization of Tropical Agricultural Products, Yunnan Institute of Tropical Crops, Jinghong 666100, China