Supplier Page from Thermo Fisher Scientific for Germanium(IV) oxide, Puratronic:r, 99.999% (metals basis)
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific