1. Department of Pharmacognosy, School of Pharmacy, Fudan University, 826 Zhang Heng Road, Shanghai 201203, People’s Republic of China
2. State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, People’s Republic of China
3. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan, People’s Republic of China