Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(R)-4-(2-((7-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)heptyl)amino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol is an impurity of Vilanterol Trifenatate (V260000), a long-acting β2 adrenergic receptor agonist.