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<?xml version="1.0"?>
<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../Schema/DDLSchema.xsd">

<MaterialSection label="materials2.xml">
      <ElementaryMaterial name="Nitrogen" atomicNumber="7" atomicWeight="14.007" density="0.808" symbol="N"/>
</MaterialSection>

</DDDefinition>