Skeletal formula of <a href="https://en.wikipedia.org/wiki/brecanavir" class="extiw" title="w:brecanavir">brecanavir</a>—an HIV <a href="https://en.wikipedia.org/wiki/protease_inhibitor_(pharmacology)" class="extiw" title="w:protease inhibitor (pharmacology)">protease inhibitor</a>. <b>Orientation made to match to show the structural similarity between brecanavir and <a href="https://en.wikipedia.org/wiki/darunavir" class="extiw" title="w:darunavir">darunavir</a>.</b> Created with <a rel="nofollow" class="external text" href="http://www.chemdoodle.com">ChemDoodle 8.0.0.b1</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/5743186">PubChem</a>