Supplier Page from Thermo Fisher Scientific for Ytterbium(III) oxide, REacton:r, 99.998% (REO)
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific