The molecule is a fumarate salt prepared from arformoterol by reaction of one molecule of fumaric acid for every two molecules of arformoterol. It has a role as a beta-adrenergic agonist and a bronchodilator agent. It contains an arformoterol(1+). It is an enantiomer of a (S,S)-formoterol fumarate.
(E)-but-2-enedioic acid;N-[2-hydroxy-5-[(1R)-1-hydroxy-2-[[(2R)-1-(4-methoxyphenyl)propan-2-yl]amino]ethyl]phenyl]formamide