Supplier Page from Thermo Fisher Scientific for 1-Bromo-3,5-dinitrobenzene, 98%
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific