Supplier Page from Thermo Fisher Scientific for Platinum foil, 0.127mm (0.005in) thick, 99.9% (metals basis)
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific