Supplier Page from Thermo Fisher Scientific for Nickel foil, 0.25mm (0.01in) thick, Puratronic:r, 99.994% (metals basis)
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific