1. Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, P. R. China
2. Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, P. R. China
3. State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang 550025, Guizhou, P. R. China