Supplier Page from Thermo Fisher Scientific for 2,3-Pyrazinedicarboxylic anhydride, 97%
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific