class="comment"># s-1,2-propanediol</span></div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;                                              <span class="stringliteral">&#39;CL&#39;</span>,  <span class="comment"># chloride ion</span></div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;                                              <span class="stringliteral">&#39;HP6&#39;</span>,  <span class="comment"># heptane</span></div><div class="line"><a n