<http://webisa.webdatacommons.org/concept/copper_zinc_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"copper" .
<http://webisa.webdatacommons.org/concept/copper_zinc_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"zinc" .
<http://webisa.webdatacommons.org/concept/copper_zinc_>	<http://www.w3.org/2000/01/rdf-schema#label>	"copper zinc" .