2D structure of <a href="https://en.wikipedia.org/wiki/pemoline" class="extiw" title="w:pemoline">pemoline</a> showing amine–imine <a href="https://en.wikipedia.org/wiki/tautomer" class="extiw" title="w:tautomer">tautomerism</a>. Created with <a rel="nofollow" class="external text" href="http://www.chemdoodle.com">ChemDoodle</a> and <a rel="nofollow" class="external text" href="http://www.adobe.com/products/illustrator.html">Adobe Illustrator</a>.
<a href="//commons.wikimedia.org/wiki/User:Vaccinationist" title="User:Vaccinationist">Vaccinationist</a>
2014-02-03 16:25:11
<span class="int-own-work" lang="en">Own work</span>