1. Institute of Applied Chemistry Shanxi University Taiyuan 030006 People's Republic of China
2. Department of Chemistry Taiyuan Normal University Jinzhong 030619 People's Republic of China
3. Engineering Research Center of Ministry of Education for Fine Chemicals Shanxi University Taiyuan 030006 People's Republic of China
4. Department of medical imaging Shanxi Medical University Taiyuan 030006 People's Republic of China
5. School of Pharmacy Hubei University of Science and Technology Xianning 437100 People's Republic of China