1. Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of EducationShenyang Pharmaceutical University Shenyang 110016 P. R. China
2. National Engineering Research Center for the Emergency DrugBeijing Institute of Pharmacology and Toxicology Beijing 100850 P. R. China
3. Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan 430030 P. R. China