Supplier Page from Thermo Fisher Scientific for Tin foil, 0.05mm (0.002in) thick, 98.8% (metals basis)
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific