1,1,1,2,2-pentafluoro-2-(1,1,2,2,2-pentafluoroethyldiselanyl)ethane

1,3,3,4,4-pentafluoro-2-(1,1,2,2,2-pentafluoroethyl)cyclobutene

1,1,2,2,3,3-hexafluoro-1-iodobutane

1,1,3,4,5,6,7-heptafluoro-2-(trifluoromethyl)indene

trimethyl(1,1,2,2,3,3,4,4-octafluorobutyl)silane