Supplier Page from Thermo Fisher Scientific for Copper foil, 0.1mm (0.004in) thick, Puratronic:r, 99.999% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific