文拉法辛杂质B; 文拉法辛杂质B盐酸盐; 盐酸文拉法辛杂质B对照品; 盐酸文拉法辛EP杂质B盐酸盐; 3-(二甲氨基)-2-(4-甲氧基苯基)丙酸乙酯盐酸盐; 文拉法辛杂质2; Venlafaxine EP Impurity B HCl; Ethyl (2RS)-3-(Dimethylamino)-2-(4-methoxyphenyl)propanoate Hydrochloride; Venlafaxine EP Impurity B; Venlafaxine Hydrochloride Imp. B (EP); Venlafaxine Imp. B (EP); Venlafaxine Hydrochloride Impurity B as Hydrochloride; Venlafaxine Impurity B as Hydrochloride; Venlafaxine-2; Venlafaxine Impurity B Hydrochloride; Venlafaxine Impurity B HCl; Venlafaxine Hydrochloride EP Impurity B as Hydrochloride; Venlafaxine EP Impurity B (as Hydrochloride)