61080-70-4 Propanoyl fluoride,2,3,3,3-tetrafluoro-2-[1,1,2,3,3,3-hexafluoro-2-[[2,3,5,5,6-pentafluoro-3,6-bis(trifluoromethyl)-1,4-dioxan-2-yl]oxy]propoxy]- 162102-04-7 Ethanesulfonyl fluoride,2-[1-[difluoro(1,1,2,2-tetrafluoro-2-iodoethoxy)methyl]-1,2,2,2-tetrafluoroethoxy]-1,1,2,2-tetrafluoro-