Supplier Page from Thermo Fisher Scientific for Niobium foil, 0.127mm (0.005in) thick, annealed, 99.8% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Ethyl vinyl ether, 99%, stabilized from Thermo Fisher Scientific