<a href="https://en.wikipedia.org/wiki/Structure-activity_relationship" class="extiw" title="w:Structure-activity relationship">Structure-activity relationship</a> (SAR) for <a href="https://en.wikipedia.org/wiki/beta-blocker" class="extiw" title="w:beta-blocker">beta-blockers</a>. Created with <a rel="nofollow" class="external text" href="http://www.chemdoodle.com">ChemDoodle 7.0.2</a> and <a rel="nofollow" class="external text" href="http://www.adobe.com/products/illustrator.html">Adobe Illustrator CC 2015</a>.
<a href="//commons.wikimedia.org/wiki/User:Vaccinationist" title="User:Vaccinationist">Vaccinationist</a>
<span class="int-own-work" lang="en">Own work</span>