Supplier Page from Thermo Fisher Scientific for Ytterbium(III) fluoride, anhydrous, REacton:r, 99.9% (REO)
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific