    <span class="stringliteral">&#39;PC4&#39;</span>,  <span class="comment"># tetrachloroplatinate(ii)</span></div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                                              <span class="stringliteral">&#39;GU3&#39;</span>,  <span class="comment"># methyl 3-o-methyl-2,6-di-o-sulfo-alpha-d-glucopyranoside</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                                              <spa