 ion</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;                                              <span class="stringliteral">&#39;YT3&#39;</span>,  <span class="comment"># yttrium (iii) ion</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;                                              <span class="stringliteral">&#39;TYS&#39;</span>,  <span class="comment"># o-sulfo-l-tyrosine</span></div><div class="line"><a name="l00102"><