Supplier Page from Thermo Fisher Scientific for 4-Bromobenzenesulfinic acid sodium salt dihydrate, 97%
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific