Supplier Page from Thermo Fisher Scientific for Tungsten(VI) ethoxide, 99.8% (metals basis), 5% w/v in ethanol
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific