1. Department of Medicinal Chemistry, School of Pharmacy, Fudan University 826 Zhangheng Road Shanghai 201203 China
2. State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 China
3. Drug Discovery Shandong Laboratory, Bohai Rim Advanced Research Institute for Drug Discovery Yantai Shandong 264117 China