<http://webisa.webdatacommons.org/concept/ca2%2B_ion_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"ion" .
<http://webisa.webdatacommons.org/concept/ca2%2B_ion_>	<http://www.w3.org/2000/01/rdf-schema#label>	"ca2+ ion" .
<http://webisa.webdatacommons.org/concept/ca2%2B_ion_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"ca2+" .