<http://webisa.webdatacommons.org/concept/_oxygen_21>	<http://www.w3.org/2000/01/rdf-schema#label>	"oxygen 21" .
<http://webisa.webdatacommons.org/concept/_oxygen_21>	<http://webisa.webdatacommons.org/ontology#hasHead>	"oxygen" .
<http://webisa.webdatacommons.org/concept/_oxygen_21>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"21" .