Ethyl 4-oxo-1-phenethylpiperidine-3-carboxylate hydrochloride, 3-Piperidinecarboxylic acid,4-oxo-1-phenethyl-,hydrochloride, ethyl 4-oxo-1-(2-phenylethyl)piperidine-3-carboxylate hydrochloride(1:1), 4-Oxo-1-phenaethyl-piperidin-3-carbonsaeure-aethylester,Hydrochlorid, EINECS 213-850-4, ethyl 4-oxo-1-(2-phenylethyl)piperidine-3-carboxylate hydrochloride, 4-oxo-1-phenethyl-piperidine-3-carboxylic acid ethyl ester,hydrochloride