metoprolol impurity vii ; metoprolol related compound d ; metoprolol ep impurity o ; metoprolol impurity o ; 1,1'-[(1-methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol
(mixture of diastereomers)
(metoprolol impurity) ; 1,1[(1-methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol(mixture of diastereomers) ; (+/-)n,n-bis-[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methylethyl)amine hydrochloride ; 1,1'-[(1-methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol] ; metoprolol tartrate ep impurity-o (usp rc d-hcl salt) ; metoprolol impurity viii ; 2-propanol,1,1'-[(1-methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-