Supplier Page from Thermo Fisher Scientific for Zinc foil, 0.01µ+0.0025mm (0.0004µ+0.0001in) thick, 99.9% (metals basis)
2-Ethylhexanoic 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