Supplier Page from Thermo Fisher Scientific for Sodium hydroxide, 0.1 N standard solution
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific