1. Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, P. R. China
2. Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, P. R. China
3. University of Chinese Academy of Sciences, Beijing, P. R. China
4. Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, P. R. China