Supplier Page from Thermo Fisher Scientific for µa,µa,µa',µa'-Tetrabromo-o-xylene, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific