1. State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China
2. National Demonstration Center for Experimental Chemistry Education, Nankai University, Tianjin 300071, China
3. Tianjin Neurological Institute, Key Laboratory of Post-Neurotrauma Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China