Synonyms: Propanoylfluoride, 2,3,3,3-tetrafluoro-2-[1,1,2,3,3,3-hexafluoro-2-(pentafluorophenoxy)propoxy]-(9CI); Propionyl fluoride,tetrafluoro-2-[hexafluoro-2-(pentafluorophenoxy)propoxy]- (8CI);Perfluoro-2-[perfluoro-2-(perfluorophenoxy)propoxy]propionyl fluoride