1. Department of Medicinal Chemistry School of Pharmacy Fudan University Shanghai 201203 China
2. Carbohydrate-Based Drug Research Center CAS Key Laboratory of Receptor Research State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences Shanghai 201203 China
3. Zhongshan Institute for Drug Discovery Shanghai Institute of Materia Medica Chinese Academy of Science Zhongshan 528400 China