enaptin
... that enaptin has the second-longest chemical name to be written down, at 64,060 letters?
... that <b id="mwaA"><a href="./Enaptin" id="mwaQ" rel="mw:WikiLink" title="Enaptin">enaptin</a></b> has the second-longest <a href="./Chemistry" id="mwag" rel="mw:WikiLink" title="Chemistry">chemical</a> name to be written down, at 64,060 letters?