1. College of Chemistry and Chemical Engineering
2. Wuhan University of Science and Technology
3. Wuhan 430081
4. P. R. China
5. Laboratory of Magnetic Resonance Spectroscopy and Imaging
6. Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences
7. Suzhou 215123
8. Crystal Pharmatech
9. Suzhou Industrial Park