<beilsteinTutorial creator="nicmila@idoox.com">
<key>X</key><key>atom list</key><key>halogen</key>
<description>Find all polyhalogenated benzenes.</description>
<query>
<subquery pict="ex2A" hits="142"/>
<hit brn="1683438" class="hit"/>
<hit brn="958307" class="hit"/>
<hit brn="1964425" class="hit"/>
</query>
<query>
<subquery pict="ex2B" hits="142"/>
<hit brn="1683438" class="hit"/>
<hit brn="958307" class="hit"/>
<hit brn="1964425" class="hit"/>
</query>
</beilsteinTutorial>