Supplier Page from Thermo Fisher Scientific for Ammonium iron(II) sulfate hexahydrate, ACS, 98.5-101.5%
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific