Supplier Page from Thermo Fisher Scientific for Nickel rod, 5mm (0.2in) dia, Puratronic:r, 99.999% (metals basis)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific