Skeletal formula of <a href="https://en.wikipedia.org/wiki/COL-3" class="extiw" title="w:COL-3">COL-3</a> (also known as <b>metastat</b>) — a chemically modified tetracycline acting as a potent <a href="https://en.wikipedia.org/wiki/matrix_metalloproteinase_inhibitor" class="extiw" title="w:matrix metalloproteinase inhibitor">matrix metalloproteinase inhibitor</a>. Created with <a rel="nofollow" class="external text" href="http://www.chemdoodle.com">ChemDoodle</a> and <a rel="nofollow" class="external text" href="http://www.adobe.com/products/illustrator.html">Adobe Illustrator CC 2017</a>.
<a href="//commons.wikimedia.org/wiki/User:Vaccinationist" title="User:Vaccinationist">Vaccinationist</a>
<span class="int-own-work" lang="en">Own work</span>