&#39;</span>,  <span class="comment"># 1,2-dimethoxyethane</span></div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;                                              <span class="stringliteral">&#39;GU9&#39;</span>,  <span class="comment"># 2,3,6-tri-o-methyl-alpha-d-glucopyranose</span></div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;                                              <span class="stringliteral">&#39;IDO&#39;</span>,  <span class="c