英文别名5-(2-amino-1-hydroxyethyl)-2-hydroxybenzamide hydrochloride; 5-(2-Amino-1-hydroxy-ethyl)-2-hydroxy-benzamide;hydrochloride; Labetalol EP Impurity D HCl; Labetalol EP Impurity D Hydrochloride; Labetalol Hydrochloride Impurity 4 (Labetalol Hydrochloride EP Impurity D); 5-(2-amino-1-hydroxyethyl)-2-hydroxybenzamide; Labetalol Impurity 12; Labetalol Hydrochloride EP Impurity D 
