Structural formula of the chemical compound <a href="https://en.wikipedia.org/wiki/8-oxoguanine" class="extiw" title="w:8-oxoguanine">8-oxoguanine</a>
<a href="//commons.wikimedia.org/wiki/User:Edgar181" title="User:Edgar181">Edgar181</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Edgar181" title="User talk:Edgar181"><span class="signature-talk">talk</span></a>)
2010-02-18 13:52
<span class="int-own-work" lang="en">Own work</span>