Formoterol

Chemical Name: N-[2-Hydroxy-5-[(1RS)-1-hydroxy-2-[[(1RS)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]formamide (as per EP); (±)-2′-Hydroxy-5′-[(R*)-1-hydroxy-2-[[(R*)-p-methoxy-α-methylphenethyl]amino]ethyl]formanilide (as per USP)