Supplier Page from Thermo Fisher Scientific for O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluoroborate, 97%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethylaniline, 98% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific