octyl trifluoromethanesulfonate

(4-methyl-1-trimethylsilylpent-3-en-1-yn-3-yl) trifluoromethanesulfonate

(1,1-diphenyl-4-trimethylsilylbut-1-en-3-yn-2-yl) trifluoromethanesulfonate

(4-formyl-2-methylphenyl) trifluoromethanesulfonate

4-Fluoro-2-nitrophenyl trifluoromethanesulfonate