Supplier Page from Thermo Fisher Scientific for Ethyl 4-bromo-3-ethoxy-2-butenoate, tech. 90%, stab. with sodium carbonate
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific