formoterol [ 3-formylamino-4-hydroxy-alpha-(N-1-methyl-2-p-methoxyphenethylaminomethyl)benzyl alcohol.hemifumarate,AstraZeneca brand of formoterol fumarate,BD 40A,Foradil,Oxis,Schering brand of formoterol fumarate,arformoterol,eformoterol,formoterol fumarate,formoterol fumarate, ((R*,R*)-(+-))-isomer,formoterol, ((R*,R*)-(+-))-isomer ] arformoterol is much more selective for B2-adrenoceptor than the SS-isomer and metabolic sulfation is slower; aformoterol spelling for eformoterol was only used in one citation