英文别名Vilanterol Impurity 1; Vilanterol Impurity; 4H-1,3-Benzodioxin-6-methanol, α-[[[6-[2-[(2,6-dichlorophenyl)methoxy]ethoxy]hexyl]amino]methyl]-2,2-dimethyl-, (αR)-; (aR)-a-[[[6-[2-[(2,6-Dichlorophenyl)methoxy]ethoxy]hexyl]amino]methyl]-2,2-dimethyl-4H-1,3-benzodioxin-6-methanol; (1R)-2-({6-[(2-{[(2,6-dichlorophenyl)methyl]oxy}ethyl)oxy]-hexyl}amino)-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol; 4-(1R)-2-[(6-{2-[(2,6-dichlorobenzyl)oxy]ethoxy}hexyl)amino]-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol; (1R)-2-[(6-{2-[(2,6-Dichlorobenzyl)oxy]ethoxy}hexyl)amino]-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol 
