<a href="https://en.wikipedia.org/wiki/thiane" class="extiw" title="w:thiane">Thiane</a> reacting as a <a href="https://en.wikipedia.org/wiki/nucleophile" class="extiw" title="w:nucleophile">nucleophile</a>.
<a href="//commons.wikimedia.org/wiki/User:Hbf878" title="User:Hbf878">Hbf878</a>
2017-11-23
<span class="int-own-work" lang="en">Own work</span>