1. Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, P. R. China
2. State
Key Laboratory of Phytochemistry and Plant Resources in West China,
Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201,Yunnan, P. R. China
3. School
of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
4. Department
of Medicine, Mount Sinai School of Medicine, New York, New York 10029, United States