3,3'-(methylenebis(oxy))bis(1,1,1,2,3,3-hexafluoropropane-2-sulfonyl fluoride)

1,1,1,2,3,3-hexafluoro-3-(3,4,4,4-tetrafluoro-3-(trifluoromethyl)butoxy)propane-2-sulfonyl fluoride

1,1,1,2,3,3-hexafluoro-3-(2-(pentafluoro-l⁶-sulfanyl)ethoxy)propane-2-sulfonyl fluoride

1-(benzyloxy)-1,1,2,3,3,3-hexafluoropropane-2-sulfonyl fluoride