Skeletal formula of <a href="https://en.wikipedia.org/wiki/thebacon" class="extiw" title="w:thebacon">thebacon</a> (dihydrocodeinone enol acetate)
<a href="//commons.wikimedia.org/wiki/User:Anypodetos" title="User:Anypodetos">Anypodetos</a>
2009-10-19
<span class="int-own-work" lang="en">Own work</span>