Supplier Page from Thermo Fisher Scientific for Dimethylammonium-dimethylcarbamate, ratio carbon dioxide/dimethylamine <2:1
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific