Chemical diagram for molvizarin, based on <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.bbabio.2005.07.011">10.1016/j.bbabio.2005.07.011</a>
<a href="//commons.wikimedia.org/wiki/User:Innerstream" title="User:Innerstream">User:Innerstream</a>
<span class="int-own-work" lang="en">Own work</span>