Chemical structure of the synthetic cannabinoid <a href="https://en.wikipedia.org/wiki/HU-210" class="extiw" title="w:HU-210">HU-210</a>.
<a href="//commons.wikimedia.org/wiki/User:Hbf878" title="User:Hbf878">Hbf878</a>
2018-07-30
<span class="int-own-work" lang="en">Own work</span>