Synonyms: Benzenepropanoic acid, 4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]-, methyl ester, hydrochloride (9CI);Brevibloc;Esmolol hydrochloride [USAN];(+-)-Methyl p-(2-hydroxy-3-(isopropylamino)propoxy)hydrocinnamate hydrochloride;4-(2-Hydroxy-3-((1-methylethyl)amino)propoxy)benzenepropanoic acid methyl ester HCl;Benzenepropanoic acid, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, methyl ester, hydrochloride, (+-)-;Brevibloc in plastic container;Esmolol HCl;Benzenepropanoic acid, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, methyl ester, hydrochloride;