(R)-5-(2-((5,6-diethyl-2,3-dihydro-1H-indon-2-yl)amino)-1-hydroxyeihyl)-8-hydroxyquinolin -2(1H)-one, also known as indacaterol, is a long-acting β2-adrenoreceptor agonist developed by Novartis as a bronchodilator for the treatment of asthma and/or chronic obstructive pulmonary disease (COPD).
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