Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(R)-4-(2-((5-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)pentyl)amino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol 2,2,2-Triphenylacetate is an impurity of Vilanterol (V260000, Trifenatate), a long-acting β2 adrenergic receptor Agonist. It demonstrates prolonged bronchodilation in subjects with asthma and COPD.