Molecular Formula: C44H49Cl2NO7 Formula Weight: 774.78
4-[(1R)-2-({6-[(2-{[(2,6-Dichlorophenyl)methyl]oxy}ethyl)oxy]-hexyl}-amino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol, triphenylacetate salt;Vilanterol triphenylacetate sal