Supplier Page from Thermo Fisher Scientific for Nickel(II) sulfate hexahydrate, 98+%, ACS reagent
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific