Supplier Page from Thermo Fisher Scientific for Dowex® 50WX4, 200-400 mesh, ion-exchange resin
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific