英文别名Indacaterol Impurity 12; indacaterol742; 5-((1R)-2-((5-Ethyl-2,3-dihydro-1H-inden-2-yl)amino)-1-hydroxyethyl)-8-hydroxyquinolin-2(1H)-one; 5-[(1R)-2-[(5-ethyl-2,3-dihydro-1H-inden-2-yl)amino]-1-hydroxyethyl]-8-hydroxy-1H-quinolin-2-one; 5-[(1R)-2-[(5-Ethyl-2,3-dihydro-1H-inden-2-yl)amino]-1-hydroxyethyl]-8-hydroxy-2(1H)-quinolinone; R-5-[2-(5-Ethyl-indan-2-ylamino)-1-hydroxy-ethyl]-8-hydroxy-3,4-dihydro-1H-quinolin-2-one 
