N-(3-butyryl-4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)butyramide hydrochloride;(+/-)-N-[4-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-3-(1-oxobutyl)phenyl]butanamide Hydrochloride; N-[3-Butanoyl-4-[(2RS)-2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]butanamide Hydrochloride; Acebutolol EP Impurity K
