1. School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
2. School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, P. R. China.
3. Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, P. R. China
4. The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei 230022, P. R. China