Supplier Page from Thermo Fisher Scientific for Tetrabutylammonium hydrogen sulfate, 99%, extra pure
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific