Bisoprolol Impurity 1; Bisoprolol EP Impurity A; 1-[4-(hydroxymethyl)phenoxy]-3-(propan-2-ylamino)propan-2-ol; 1-[4-(Hydroxymethyl)phenoxy]-3-(isopropylamino)-2-propanol; H 119/68; 4-[2-Hydroxy-3-[(1-Methylethyl)amino]propoxy]benzenemethanol; Bisoprolol EP Imp A; Bisoprolol Fumarate EP Impurity A
