Supplier Page from Thermo Fisher Scientific for Tungsten foil, 1.0mm (0.04in) thick, 99.95% (metals basis)
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific