1. School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, P. R. China
2. Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei 230012, P. R. China
3. Anhui Province Key Laboratory of R&D of Chinese Medicine, Hefei 230012, P. R. China
4. Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, China Pharmaceutical University, Nanjing 210009, P. R. China