Supplier Page from Thermo Fisher Scientific for Copper(II)-ethylenediamine complex, 1M solution in water
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific