Skeletal formulae of <a href="https://en.wikipedia.org/wiki/codeine" class="extiw" title="w:codeine">codeine</a> (an <a href="https://en.wikipedia.org/wiki/opioid" class="extiw" title="w:opioid">opioid</a> <a href="https://en.wikipedia.org/wiki/analgesic" class="extiw" title="w:analgesic">analgesic</a>) and <a href="https://en.wikipedia.org/wiki/aspirin" class="extiw" title="w:aspirin">aspirin</a> (an <a href="https://en.wikipedia.org/wiki/Nonsteroidal_anti-inflammatory_drug" class="extiw" title="w:Nonsteroidal anti-inflammatory drug">NSAID</a>). They are used together in <a href="https://en.wikipedia.org/wiki/compound_analgesic" class="extiw" title="w:compound analgesic">compound analgesic</a> drugs. Their <a href="https://en.wikipedia.org/wiki/British_Approved_Name" class="extiw" title="w:British Approved Name">BAN</a> is known as <b><a href="https://en.wikipedia.org/wiki/co-codaprin" class="extiw" title="w:co-codaprin">co-codaprin</a></b>. 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>