Supplier Page from Thermo Fisher Scientific for Imidazole, ACS reagent
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific