Supplier Page from Thermo Fisher Scientific for 3-[2-(Dimethylamino)ethylcarbamoyl]benzeneboronic acid, 96%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific