<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Molecule that contains atoms of the element carbon, usually combined with itself and with atoms of one or more other element such as hydrogen, oxygen, nitrogen, sulfur, phosphorus, chlorine, or fluorine. Excludes carbides, carbonates and carbon oxides.</n0:def-definition><n0:def-source>NCI</n0:def-source><n0:attr>from EPA Terminology Reference System</n0:attr></n0:ComplexDefinition>