Supplier Page from Thermo Fisher Scientific for Nickel slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, Puratronic:r, 99.995% (metals basis)
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific