Supplier Page from Thermo Fisher Scientific for Bromophenol Blue sodium salt, ACS reagent
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific