Supplier Page from Thermo Fisher Scientific for Copper foil, 1.27mm (0.05in) thick, 99.9% (metals basis)
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific