1. Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education)
2. Department of Chemistry
3. Tsinghua University
4. Beijing 100084
5. P. R. China
6. State Key Laboratory of Bioelectronics
7. School of Biological Science and Medical Engineering
8. Southeast University
9. Nanjing 210096
10. Beijing Synchrotron Radiation Facility
11. Institute of High Energy Physics
12. Chinese Academy of Sciences
13. Beijing 100049