67032-38-6 BENZOIC ACID, p-BUTOXY-, 2,2-DIMETHYL-3-(4-METHYLPIPERIDINO)PROPYL ESTER, HYDROC Benzoic acid, p-butoxy-, 2,2-dimethyl-3-(4-methylpiperidino)propyl ester, hydrochloride p-Butoxybenzoic acid 2,2-dimethyl-3-(4-methylpiperidino)propyl ester hydrochloride