Structure of <a href="https://en.wikipedia.org/wiki/Perfluorooctanesulfonic_acid" class="extiw" title="w:Perfluorooctanesulfonic acid">Perfluorooctanesulfonic acid</a>.
Su-no-G
2007-01-19
<span class="int-own-work" lang="en">Own work</span>, Made with ChemDraw.