(1)-N-(3-Acetyl-4-(2-hydroxy-3-((isopropyl)amino)propoxy)phenyl)butyramide monohydrochloride 3'-Acetyl-4'-(2-hydroxy-3-(isopropylamino)propoxy)butyranilide hydrochloride 34381-68-5 37517-30-9 Acebutolol hydrochloride