英文别名(R)-2-amino-1-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)ethanol; Vilanterol Impurity 36; Vilanterol Impurity 4; 4H-1,3-Benzodioxin-6-methanol, α-(aminomethyl)-2,2-dimethyl-, (αR)-; (R)-2-Amino-1-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)ethan-1-ol (Vilanterol Impurity); (1R)-2-Amino-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol 
