Supplier Page from Thermo Fisher Scientific for 1-[(Ethoxycarbonyl)methyl]-1H-pyrazole-4-boronic acid pinacol ester, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific