Skeletal formula of <a href="https://en.wikipedia.org/wiki/apremilast" class="extiw" title="w:apremilast">apremilast</a> (trade name <b>Otezla</b>) — a <a href="https://en.wikipedia.org/wiki/phosphodiesterase-4_inhibitor" class="extiw" title="w:phosphodiesterase-4 inhibitor">PDE4 inhibitor</a> used in the management of moderate-to-severe plaque <a href="https://en.wikipedia.org/wiki/psoriasis" class="extiw" title="w:psoriasis">psoriasis</a> and active <a href="https://en.wikipedia.org/wiki/psoriatic_arthritis" class="extiw" title="w:psoriatic arthritis">psoriatic arthritis</a>. 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>.
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Own work  using: <a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/11561674">PubChem</a>