#39;</span>,  <span class="comment"># selenium atom</span></div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                                              <span class="stringliteral">&#39;HO&#39;</span>,  <span class="comment"># holmium atom</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;                                              <span class="stringliteral">&#39;3CN&#39;</span>,  <span class="comment"># 3-aminopropane</span></div