1,1,1,2,2,5,5,5-octafluoro-4-(trifluoromethyl)pentane-3-thione

1,1,1,4,4,5,5,5-octafluoro-2-(trifluoromethyl)pent-2-ene

1,1,4,4,5,5,5-heptafluoro-2-(trifluoromethyl)pent-1-ene

4,4,5,5,5-pentafluoro-2-(trifluoromethyl)pent-1-ene

1,1,1,4,4,5,5,5-octafluoro-2,3-bis(trifluoromethyl)pent-2-ene