Formoterol Fumarate Dihydrate EP Impurity I

Chemical Name: N-[2-hydroxy-5-[(1RS)-1-hydroxy-2-[[(1SR)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]formamide (as per EP);N-(2-hydroxy-5-[(RS)-1-hydroxy-2-{[(SR)-1-(4-methoxyphenyl)propan-2-yl]amino}ethyl]phenyl)formamide (as per USP)

Synonym: (Z)-2-(2-((2,6-dichlorophenyl)amino)phenyl)acetic oleic anhydride

Smile: COC(C=C1)=CC=C1CC([H])(C)NC[C@](C2=CC(NC=O)=C(O)C=C2)([H])O