1. Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
2. Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
3. School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
4. Shandong Xinhua Pharmaceutical Co., Ltd., Zibo 255086, P. R. China