1. Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
2. School of Traditional Chinese Materia Media, Shenyang Pharmaceutical University, Shenyang 110016, Shenyang, P. R. China
3. School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, Shenyang, P. R. China