1. College of Chemistry & Environment Protection Engineering, Southwest Minzu University Chengdu Sichuan 610041 China
2. Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, and University of Chinese Academy of Sciences, 345 Lingling Road Shanghai 200032 China
3. Sanming Institute of Fluorochemical Industry, Sanming University Sanming Fujian 365004 China