3-碘丙基三氟甲烷磺酸酯

ethyl 2-(trifluoromethylsulfonyloxy)pentanoate

methyl 3-(trifluoromethylsulfonyloxy)benzoate

4-trimethylsilylbut-3-ynyl trifluoromethanesulfonate

[4,5,6-triacetyloxy-2-(bromomethyl)oxan-3-yl] acetate