4-(2-Hydroxy-3-(isopropylamino)propoxy)benzaldehyde hydrochloride; 4-[2-hydroxy-3-(propan-2-ylamino)propoxy]benzaldehyde;hydrochloride; 4-[(2RS)-2-Hydroxy-3-[(1-methylethyl)amino]propoxy]benzaldehyde Hydrochloride; Benzaldehyde, 4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]-, hydrochloride (1:1); Metoprolol EP Impurity CHCl; 4-(2-HYDROXY-3-(ISOPROPYLAMINO)PROPOXY)BENZALDEHYDE HCL; 4-(2-Hydroxy-3-(isopropylamino)propoxy)benzaldehydehydrochloride; 4-[2-hydroxy-3-(isopropylamino)propoxy]benzaldehyde; 4-[(2RS)-2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-benzaldehyde Hydrochloride; Metoprolol Impurity 3（Metoprolol EP Impurity C HCl）; Bisoprolol Fumarate Impurity L as Hydrochloride; Metoprolol Related Compound C as Hydrochloride; Metoprolol Succinate Impurity C as Hydrochloride; Metoprolol Tartrate Impurity C as Hydrochloride; Metoprolol Succinate EP Impurity C as Hydrochloride; Metoprolol Tartrate EP Impurity C as Hydrochloride; Metoprolol EP Impurity C（HCl）
