<http://webisa.webdatacommons.org/concept/propyl_ester_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"ester" .
<http://webisa.webdatacommons.org/concept/propyl_ester_>	<http://www.w3.org/2000/01/rdf-schema#label>	"propyl ester" .
<http://webisa.webdatacommons.org/concept/propyl_ester_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"propyl" .