Ball-and-stick model of indacaterol (brand names "Onbrez Breezhaler" (RU, EU) and "Arcapta Neohaler" (US))—an ultra-long-acting β2 adrenoreceptor agonist (ultra-LABA) used in the treatment of COPD. Created using Accelrys DS Visualizer 4.1 and Adobe Photoshop CC 2015.