英文别名Indacaterol Impurity 7; Indacaterol impurity 1; 5-[(1R)-2-[(5,6-diethyl-2,3-dihydro-1H-inden-2-yl)amino]-1-hydroxyethyl]-8-hydroxy-3,4-dihydro-1H-quinolin-2-one; 5-[(1R)-2-[(5,6-Diethyl-2,3-dihydro-1H-inden-2-yl)amino]-1-hydroxyethyl]-3,4-dihydro-8-hydroxy-2(1H)-quinolinone; (R)-5-(2-((5,6-Diethyl-2,3-dihydro-1H-inden-2-yl)amino)-1-hydroxyethyl)-8-hydroxy-3,4-dihydroquinolin-2(1H)-one; 8-Hydroxy-3,4-dihydroquinolin-2-oxo-indacaterol; R-5-[2-(5,6-Diethyl-indan-2-ylamino)-1-hydroxy-ethyl]-8-hydroxy-3,4-dihydro-1H-quinolin-2-one; Indacaterol Intermediate impurity 1; Indacaterol Impurity 
