1-(3,4-Dihydroxyphenyl)-2-[(1-methylethyl)amino]ethanone hydrochloride, Isoproterenone hydrochloride, 1-(3,4-dihydroxy-phenyl)-2-isopropylamino-ethanone,hydrochloride, 1-(3,4-Dihydroxy-phenyl)-2-isopropylamino-aethanon,Hydrochlorid, 3',4'-Dihydroxy-2-(isopropylamino)acetophenone hydrochloride, 1-(3,4-Dihydroxyphenyl)-2-((1-methylethyl)amino) hydrochloride, 1-(3.4-Dihydroxyphenyl)-2-<(1-methylethyl)amino>ethanone*HCl, EINECS 240-943-7, ACETOPHENONE,3',4'-DIHYDROXY-2-(ISOPROPYLAMINO)-,HYDROCHLORIDE, Isoprenaline impurity A