Synonyms : 4-(1-Hydroxy-2-((1-methylethyl)amino)ethyl)-1, 2-benzenediol, Euspiran, Isadrin, Isadrine, Isopropyl Noradrenaline, Isopropylnoradrenaline, Isopropylnorepinephrine, Isoproterenol Hydrochloride, Isoproterenol Sulfate, Isuprel, Izadrin, Norisodrine, Novodrin