Supplier Page from Thermo Fisher Scientific for 1-Cyano-4-(dimethylamino)pyridinium tetrafluoroborate, 98%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific