Skeletal formula of <a href="https://en.wikipedia.org/wiki/carmoterol" class="extiw" title="w:carmoterol">carmoterol</a> (<a href="https://en.wikipedia.org/wiki/International_nonproprietary_name" class="extiw" title="w:International nonproprietary name">INN</a>)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup> — an experimental ultra-<a href="https://en.wikipedia.org/wiki/Long-acting_beta-adrenoceptor_agonist" class="extiw" title="w:Long-acting beta-adrenoceptor agonist">long-acting β<sub>2</sub> adrenoreceptor agonist</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2">[2]</a></sup> Created with <a rel="nofollow" class="external text" href="http://www.chemdoodle.com">ChemDoodle 7.0.2</a> and <a rel="nofollow" class="external text" href="http://www.adobe.com/products/illustrator.html">Adobe Illustrator CC 2015</a>.
<a href="//commons.wikimedia.org/wiki/User:Vaccinationist" title="User:Vaccinationist">Vaccinationist</a>
Own work  using: <a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/63951">Carmoterol HCl on PubChem</a>