Supplier Page from Thermo Fisher Scientific for Holmium(III) oxide, REacton:r, 99.9% (REO)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific