Supplier Page from Thermo Fisher Scientific for 4-Oxo-4H-1-benzopyran-2-carboxylic acid, 97%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific