Supplier Page from Thermo Fisher Scientific for Ytterbium(III) fluoride, anhydrous, REacton:r, 99.9% (REO)
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific