1,2-Benzenediol, 4-(2-amino-1-hydroxybutyl)-, hydrochloride 1-(3,4-Dihydroxyphenyl)-1-hydroxy-2-aminobutane hydrochloride 1-(3,4-Dihydroxyphenyl)-2-amino-1-butanol hydrochloride 3198-07-0 536-24-3 BENZYL ALCOHOL, alpha-(1-AMINOPROPYL)-3,4-DIHYDROXY-, HYDROCHLORIDE Bronkephrine Butanefrine hydrochloride Ethyl norepinephrine hydrochloride Ethylnoradrenaline hydrochloride Ethylnorepinephrine hydrochloride Ethylnorsuprarenin hydrochloride alpha-(1-Aminopropyl)-3,4-dihydroxybenzyl alcohol hydrochloride alpha-(1-Aminopropyl)protocatechuyl alcohol hydrochloride alpha-Ethylnorepinephrine hydrochloride