Rel-N-(2-hydroxy-5-((R)-1-hydroxy-2-(((R)-1-(4-methoxyphenyl)propan-2-yl)amino)ethyl)phenyl)formamide fumarate; rel-N-[2-Hydroxy-5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]formamide Fumarate; Atock; Foradil; Oxeze; BD 40A; CGP 25827A; Formoterol Hemifumarate