Supplier Page from Thermo Fisher Scientific for 1-Benzyl-3-carbethoxy-4-piperidone hydrochloride, 97%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific