isoprenaline(+-)-isoprenaline(+-)-isoproterenol1-(3,4-dihydroxyphenyl)-2-(isopropylamino)ethanol1-(3,4-dihydroxyphenyl)-2-isopropylaminoethanol3,4-dihydroxy-alpha-[(isopropylamino)methyl]benzyl alcoholIsoprenalineN-isopropyl-beta-dihydroxyphenyl-beta-hydroxyethylamineN-isopropylnoradrenalineN-isopropylnorepinephrinealpha-(isopropylaminomethyl)protocatechuyl alcoholisopropyl noradrenalineisoproterenol