1 The Department of Chemistry, Fudan University, Shanghai 200433, China. Electronic address: [email protected].
2 Department of Chemical Biology, Peking University, Beijing 100871, China. Electronic address: [email protected].
3 School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China. Electronic address: [email protected].
4 State Key Laboratory of Drug Research, Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China. Electronic address: [email protected].