1. Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences, Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
2. School of Pharmaceutical Science and Technology; Tianjin University; 92 Weijin Road Nankai District Tianjin 300072 China
3. Division of Nuclear Medicine and Molecular Imaging and Gordon Center for Medical Imaging, Massachusetts General Hospital & Department of Radiology; Harvard Medical School; 55 Fruit St., White 427 Boston MA USA
4. Shanghai Institute of Applied Physics; Chinese Academy of Sciences; 2019 Jialuo Road Shanghai 201800 China