1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, People’s Republic of China, Graduate School of the Chinese Academy of Sciences, Beijing 100049, People’s Republic of China, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People’s Republic of China, and College of Pharmacy, Dali University, Dali 671002, Yunnan, People’s Republic of China