2-Piperidineethanol, p-aminobenzoate (ester) hydrochloride 69780-84-3 BENZOIC ACID, p-AMINO-, 2-(2-PIPERIDYL)ETHYL ESTER, HYDROCHLORIDE beta-2-Piperidylethyl-p-aminobenzoate hydrochloride p-Aminobenzoic acid 2-(2-piperidyl)ethyl ester hydrochloride