1,1-ethanedithiol
... that the durian-scented food flavouring 1,1-ethanedithiol smells so bad that it is sold as a 1% solution?
... that the <a href="./Durian" id="mwDt4" rel="mw:WikiLink" title="Durian">durian</a>-scented food flavouring <b id="mwDt8"><a class="mw-redirect" href="./1,1-Ethanedithiol" id="mwDuA" rel="mw:WikiLink" title="1,1-Ethanedithiol">1,1-ethanedithiol</a></b> smells so bad that it is sold as a 1% solution?