Vilanterol Impurity 11

Vilanterol Impurity 25 (R)-2-Amino-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol di-(tert-butyl)2-(2,2-diMethyl-4H-1,3-benzodioxin-6-yl)-2-oxoethyliMinodicarbonate CarbaMic acid, [(2R)-2-(2,2-diMethyl-4H-1,3-benzodioxin-6-yl)-2-hydroxyethyl]-, 1,1-diMethylethyl ester Vilanterol Impurity 10

Vilanterol Impurity 14 A-1-(AMINOMETHYL)-4-HYDROXY-1,3-BENZENDIMETHANOL Vilanterol Impurity 45 tert-Butyl (2-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)-2-oxoethyl)carbamate Vilanterol Impurity 23

Benzene, 2-[[2-[(5-bromopentyl)oxy]ethoxy]methyl]-1,3-dichloro- 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 3 Triphenylacetate INDEX NAME NOT YET ASSIGNED

Vilanterol Impurity 1 Triphenylacetate Vilanterol Impurity 7 Triphenylacetate Vilanterol Impurity 6 Triphenylacetate