80         <span class="keywordflow">if</span>(dbase_ligand) <span class="keyword">delete</span>(dbase_ligand);
<a name="l00181"></a>00181         dbase_ligand = 0;
<a name="l00182"></a>00182         <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00183"></a>00183       }
<a name="l00184"></a>00184 
<a name="l00185"></a>00185       <span class="comment">// Second tier scoring (second scoring sieve)</span>
<a name="l00186"></a>00186       <span class="keywordflow">if</sp