Supplier Page from Thermo Fisher Scientific for Copper foil, 1.0mm (0.04in) thick, 99.99% (metals basis)
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific