Skeletal formulae of <a href="https://en.wikipedia.org/wiki/abacavir" class="extiw" title="w:abacavir">abacavir</a> (ABC), <a href="https://en.wikipedia.org/wiki/lamivudine" class="extiw" title="w:lamivudine">lamivudine</a> (3TC) and <a href="https://en.wikipedia.org/wiki/zidovudine" class="extiw" title="w:zidovudine">zidovudine</a> (AZT or ZDV) —all three are <a href="https://en.wikipedia.org/wiki/nucleoside_reverse_transcriptase_inhibitor" class="extiw" title="w:nucleoside reverse transcriptase inhibitor">nucleoside reverse transcriptase inhibitors</a> used in the treatment of HIV-infection. 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</a>.
<a href="//commons.wikimedia.org/wiki/User:Vaccinationist" title="User:Vaccinationist">Vaccinationist</a>
<span class="int-own-work" lang="en">Own work</span>