Supplier Page from Thermo Fisher Scientific for Pyridazine-4-carboxylic acid, 97%
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific