<http://webisa.webdatacommons.org/concept/urea_bonding_>	<http://www.w3.org/2000/01/rdf-schema#label>	"urea bonding" .
<http://webisa.webdatacommons.org/concept/urea_bonding_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"urea" .
<http://webisa.webdatacommons.org/concept/urea_bonding_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"bonding" .