Supplier Page from Thermo Fisher Scientific for Lead foil, 1.0mm (0.04in) thick, Puratronic:r, 99.9995% (metals basis)
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific