1. State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Key Laboratory of Pu-er Tea Science, Ministry of Education, and College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China