Supplier Page from Thermo Fisher Scientific for 4,5-Dibromothiophene-2-sulfonyl chloride, 97%
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific