1. Key Laboratory of Structure-Based Drug Design and Discovery; Shenyang Pharmaceutical University, Ministry of Education; Shenyang 110016 People's Republic of China
2. College of Chemistry and Chemical Engineering; Harbin Normal University; Harbin 150025 People's Republic of China
3. School of Life Science and Biopharmaceutics; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China