1. Department of Chemistry
2. Chungbuk National University
3. Chungbuk 28644
4. Korea
5. Tokyo Institute of Technology
6. Tokyo 152-8550
7. Japan
8. Division of Mass Spectrometry Research
9. Korea Basic Science Institute
10. Ochang Center
11. Chungbuk 28119
12. Department of Green Chemical Engineering
13. Sangmyung University
14. Chungnam 31066
15. Laboratory for Chemistry and Life Science
16. Yokohama