A-1-(AMINOMETHYL)-4-HYDROXY-1,3-BENZENDIMETHANOL Vilanterol Impurity 14 Vilanterol Impurity 10 CarbaMic acid, [(2R)-2-(2,2-diMethyl-4H-1,3-benzodioxin-6-yl)-2-hydroxyethyl]-, 1,1-diMethylethyl ester di-(tert-butyl)2-(2,2-diMethyl-4H-1,3-benzodioxin-6-yl)-2-oxoethyliMinodicarbonate

(R)-2-Amino-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol Vilanterol Impurity 25 tert-Butyl (2-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)-2-oxoethyl)carbamate Vilanterol Impurity 11 Vilanterol Impurity 45

Benzene, 2-[[2-[(5-bromopentyl)oxy]ethoxy]methyl]-1,3-dichloro- Vilanterol Impurity 23 Ethanol, 2-[(2,6-dichlorophenyl)Methoxy]- 2-Oxazolidinone, 3-[6-[2-[(2,6-dichlorophenyl)Methoxy]ethoxy]hexyl]-5-(2,2-diMethyl-4H-1, 3-benzodioxin-6-yl)-, (5R)- Vilanterol Impurity 6 Triphenylacetate

Vilanterol Impurity 7 Triphenylacetate INDEX NAME NOT YET ASSIGNED Vilanterol Impurity 3 Triphenylacetate