1. School
of Pharmaceutical Sciences, Jilin University, Changchun 130012, China
2. Key
Laboratory of Magnetic Resonance in Biological Systems, National Center
for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic
Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics
and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
3. National Center for Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China