英文别名Metoprolol EP Impurity E; 2-Propanol, 1-[2-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]-; ortho-Metoprolol; (2RS)-1-[2-(2-Methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]propan-2-ol; Metoprolol Impurity 5; Metoprolol-5; 1-(Isopropylamino)-3-[2-(2-methoxyethyl)phenoxy]-2-propanol