(+-)-Methyl p-(2-hydroxy-3-(isopropylamino)propoxy)hydrocinnamate hydrochloride 4-(2-Hydroxy-3-((1-methylethyl)amino)propoxy)benzenepropanoic acid methyl ester HCl 81147-92-4 81161-17-3 Asl 8052 Benzenepropanoic acid, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, methyl ester, hydrochloride Benzenepropanoic acid, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, methyl ester, hydrochloride, (+-)- Brevibloc Esmolol hydrochloride Esmolol hydrochloride [USAN] HSDB 6530