2-(((6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexyl)((R)-2-hydroxy-2-(4-hydroxy-3-(hydroxymethyl)phenyl)ethyl)amino)methyl)-4-((R)-2-((6-(2-((2,6-dichlorobenzyl)oxy)ethoxy)hexyl)amino)-1-hydroxyethyl)phenol，C48H64Cl4N2O9

分子式：C48H64Cl4N2O9；分子量：954.84；别名：Vilanterol Impurity 11 Trifenatate；应用：2-(((6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexyl)((R)-2-hydroxy-2-(4-hydroxy-3-(hydroxymethyl)phenyl)ethyl)amino)methyl)-4-((R)-2-((6-(2-((2,6-dichlorobenzyl)oxy)ethoxy)hexyl)amino)-1-hydroxyethyl)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.。