英文别名3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propionic Acid Sodium; 4-[2-Hydroxy-3-[(1-Methylethyl)amino]propoxy]benzenepropanoic Acid Sodium; ASL 8123 Sodium; Esmolol-1; 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid hydrochloric salt; Esmolol Impurity; Esmolol Hydrochloride ImpurityⅠ: 3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid 
