Formoterol Deshydroxy Impurity

Chemical Name: (R)-N-(2-hydroxy-5-(2-((1-(4-methoxyphenyl)propan-2-yl)amino)ethyl)phenyl)formamide

Synonym: 3-(butylamino)-5-(N-((3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)sulfamoyl)-4-phenoxybenzoic acid