67032-42-2 BENZOIC ACID, p-BUTOXY-, 1-METHYL-2-(2-METHYLPIPERIDINO)ETHYL ESTER, HYDROCHLORI Benzoic acid, p-butoxy-, 1-methyl-2-(2-methylpiperidino)ethyl ester, hydrochloride p-Butoxybenzoic acid 1-methyl-2-(2-methylpiperidino)ethyl ester hydrochloride