Chemical structure of <a href="https://en.wikipedia.org/wiki/en:MC21-A" class="extiw" title="w:en:MC21-A">MC21-A</a>, systematic name 2,4-Dibromo-6-(3,5-dibromo-2-hydroxyphenyl)phenol.
<a href="//commons.wikimedia.org/wiki/User:Hbf878" title="User:Hbf878">Hbf878</a>
2018-09-18
<span class="int-own-work" lang="en">Own work</span>