Supplier Page from Thermo Fisher Scientific for Dihydrogen hexachloroplatinate(IV) hexahydrate, low nitrate, Premion:r, 99.95% (metals basis), Pt 37.5% min
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific