N-(4-(2-hydroxy-3-(isopropylaMino)propoxy)phenyl)butyraMide hydrochloride

N-?(4-?(2-?Hydroxy-?3-?(isopropylamino)?propoxy)?phenyl)?butyramide Hydrochloride is an impurity of Acebutolol (A123800), a cardioselective β-adrenergic blocker. Antihypertensive; antianginal; antiarrhythmic (class II). (Acebutolol EP Impurity E)