Chemical structures of both MDMA enantiomers: (<i>R</i>) form (above), (<i>S</i>) form (below)
<a href="//commons.wikimedia.org/wiki/User:J%C3%BC" title="User:Jü">Jü</a>
2009-09-20
<span class="int-own-work" lang="en">Own work</span>