英文名称
(R)-4-(2-((6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexyl)amino)-1-hydroxyethyl)-2-(ethoxymethyl)phenol
(R)-4-(2-(((6-(2-((2,6-二氯苄基)氧基)乙氧基)己基)氨基)-1-羟乙基)-2-(乙氧基甲基)苯酚(维兰特罗杂质)
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
(R)-4-(2-((6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexyl)amino)-1-hydroxyethyl)-2-(ethoxymethyl)phenol is an impurity of Vilanterol (V260000, Trifenatate), a long-acting β2 adrenergic receptor Agonist. It demonstrates prolonged bronchodilation in subjects with asthma and COPD.