1. School of Pharmaceutical Sciences
2. Jilin University
3. Changchun 130021
4. China
5. National Center of Mass Spectrometry in Changchun & Jilin Provincial Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry
6. Changchun Institute of Applied Chemistry
7. Chinese Academy of Sciences
8. Changchun 130022
9. School of Chemistry
10. Changchun 130000