2-(Isobutylamino)ethanol m-aminobenzoate hydrochloride 2-Isobutylaminoethyl m-aminobenzoate hydrochloride 553-58-2 Benzoic acid, m-amino-, 2-isobutyl aminoethyl ester, hydrochloride (6CI) Butethamine meta-isomer hydrochloride ETHANOL, 2-(ISOBUTYLAMINO)-, m-AMINOBENZOATE (ester), MONOHYDROCHLORIDE Ethanol, 2-((2-methylpropyl)amino)-, 3-aminobenzoate (ester), monohydrochloride (9CI) Metabutethamine hydrochloride NSC 41532 Unacaine Unacaine hydrochloride