Ball-and-stick model of fenoterol — a short-acting β2 adrenoreceptor agonist used in the management of asthma, COPD and as tocolytic to prevent premature birth. Fenoterol is a racemic mixture consisting of ("R","R")- "(TOP)" and ("S","S")- "(BOTTOM)" enantiomers. Created using Accelrys DS Visualizer 4.1 and Adobe Photoshop CC 2015.