Supplier Page from Thermo Fisher Scientific for Methyl trifluoromethanesulfonate, 97%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific