Supplier Page from Thermo Fisher Scientific for 5-Bromopyrazine-2-carboxylic acid, 95%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific