Supplier Page from Thermo Fisher Scientific for Zinc foil, 1.6mm (0.063in) thick, 15x15cm (5.9x5.9in), 99% (metals basis)
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific