1. Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry; Tsinghua University; Beijing 100084 China
2. Tsinghua-Peking Center for Life Sciences; Tsinghua University; Beijing 100084 China
3. IDG/McGovern Institute for Brain Research, School of Pharmaceutical Sciences; Tsinghua University; Beijing 100084 China
4. School of Pharmaceutical Sciences; Tsinghua University; Beijing 100084 China
5. High Magnetic Field Laboratory, Chinese Academy of Sciences; Hefei 230031 China
6. School of Medical Engineering; Hefei University of Technology; Hefei 230009 China
7. State Key Laboratory of Medicinal Chemical Biology; Nankai University; Nankai China