Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(R)-1-(2,6-Dichlorophenyl)-21-(4-hydroxy-3-(hydroxymethyl)phenyl)-2,5,12-trioxa-19-azahenicosan-21-ol 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.
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