<http://webisa.webdatacommons.org/concept/alkyl+ammonium_salt_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"salt" .
<http://webisa.webdatacommons.org/concept/alkyl+ammonium_salt_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"alkyl ammonium" .
<http://webisa.webdatacommons.org/concept/alkyl+ammonium_salt_>	<http://www.w3.org/2000/01/rdf-schema#label>	"alkyl ammonium salt" .