Supplier Page from Thermo Fisher Scientific for Germanium(IV) oxide, Puratronic:r, 99.999% (metals basis)
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific