Chemical structure of N-ethylmaleimide.
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;"><a href="//commons.wikimedia.org/wiki/User:Edgar181" title="User:Edgar181">Edgar181</a></div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User:ZooFari" class="mw-redirect" title="User:ZooFari">ZooFari</a></div>
<span class="int-own-work" lang="en">Own work</span>