1. Molecular Imaging Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
2. College of Science, Shanghai University, Shanghai 200444, P.R. China
3. School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, P.R. China
4. College of Veterinary Medicine, Jilin University, Changchun 130062, P.R. China