Ball-and-stick model of the <a href="https://en.wikipedia.org/wiki/2-Ethylanthraquinone" class="extiw" title="w:2-Ethylanthraquinone">2-ethylanthraquinone</a> molecule, an organic compound used to create hydrogen peroxide.
<a href="//commons.wikimedia.org/wiki/User:Jynto" title="User:Jynto">Jynto</a> and <a href="//commons.wikimedia.org/wiki/User:Benjah-bmm27" title="User:Benjah-bmm27">Ben Mills</a>
Derived from <a href="//commons.wikimedia.org/w/index.php?title=File:Anthraquinone-3D-balls.png&amp;action=edit&amp;redlink=1" class="new" title="File:Anthraquinone-3D-balls.png (page does not exist)">File:Anthraquinone-3D-balls.png</a> and <a href="//commons.wikimedia.org/wiki/File:L-isoleucine-3D-balls.png" title="File:L-isoleucine-3D-balls.png">File:L-isoleucine-3D-balls.png</a>.