4-(2,2,2-trifluoroethylamino)-2-(trifluoromethyl)benzonitrile

1,1,1-trifluoro-4-phenylbut-3-yn-2-ol

1,1,1-trifluorooct-3-yn-2-ol

1,1,1-trifluoro-4-(4-methoxyphenyl)but-3-yn-2-ol