1. Department of Chemistry, Fudan University, Shanghai 200433, China
2. State Key Laboratory of Microbial Metabolism, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
3. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
4. National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, China