Supplier Page from Thermo Fisher Scientific for Holmium(III) oxide, REacton:r, 99.9% (REO)
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific