2-Piperidineethanol, 1-ethyl-, benzoate, hydrochloride 78219-33-7 Benzoic acid, 2-(1-ethyl-2-piperidyl)ethyl ester hydrochloride beta-(1-Ethyl-2-piperidyl)ethyl benzoate hydrochloride beta-2-(N-Ethylpiperidyl)ethylbenzoate hydrochloride