1. Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, P.R. China
2. Department of Chemistry, University of California, Riverside, California 92521, United States
3. Department of Systems Biology for Medicine and School of Basic Medical Sciences, Fudan University, Shanghai 200032, P.R. China
4. NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200032, P.R. China