英文别名3-[4-(2-Methoxyethyl)phenoxy]-1,2-propanediol; Metoprolol-4; Metoprolol impurity 3/Metoprolol EP Impurity D; Metoprolol EP Tartrate IMpurity-D; (2RS)-3-[4-(2-Methoxyethyl)phenoxy]propane-1,2-diol; Metoprolol Impurity 4(Metoprolol EP Impurity D); Imp. D (EP):(2RS)-3-[4-(2-Methoxyethyl)phenoxy]propane-1,2-diol