2-(Isobutylamino)ethanol hydrochloric acid salt, p-aminobenzoic acid ester 2-(Isobutylamino)ethyl p-aminobenzoate hydrochloride 553-68-4 Butethamine hydrochloride Ethanol, 2-(isobutylamino)-, p-aminobenzoate (ester), monohydrochloride Ethanol, 2-[(2-methylpropyl)amino]-, 4-aminobenzoate (ester), monohydrochloride Ibylcaine hydrochloride Monocaine hydrochloride NSC10821 WLN: ZR DVO2M1Y1&1 p-Aminobenzoic acid ester of 2-(isobutylamino)ethanol hydrochloric acid salt