Supplier Page from Thermo Fisher Scientific for 3-(4-Nitrophenyl)propionic acid, 96%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific