4-(2-methoxy ethyl)phenol;|4-(2-Methoxyethyl)phenol ;|4-(2-methoxyethyl)phenol;|4(2-methoxyethyl)phenol;|Metoprolol Impurity I;|Metoprolol Impurity;|Metoprolol Related Compound B|p-(2-Methoxyethyl) phenol p-(2-Methoxyethyl)phenol;|p-(2-Methoxyethyl)phenol;|Phenol, 4-(2-methoxyethyl)- 4-(2-methoxyethyl)-phenol;