1. Pharmacy
College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
2. State
Key Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. School
of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China