a><span class="lineno">  113</span>&#160;                                              <span class="stringliteral">&#39;NI&#39;</span>,  <span class="comment"># nickel (ii) ion</span></div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                                              <span class="stringliteral">&#39;CSD&#39;</span>,  <span class="comment"># 3-sulfinoalanine</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                 