Supplier Page from Thermo Fisher Scientific for 2,3,4-Trihydroxybenzoic acid, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific