Skeletal formula of <a href="https://en.wikipedia.org/wiki/cinchonine" class="extiw" title="w:cinchonine">cinchonine</a> — an alkaloid found in <i><a href="https://en.wikipedia.org/wiki/Cinchona_officinalis" class="extiw" title="w:Cinchona officinalis">Cinchona officinalis</a></i>. 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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