<http://webisa.webdatacommons.org/concept/pna_oligomer_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"pna" .
<http://webisa.webdatacommons.org/concept/pna_oligomer_>	<http://www.w3.org/2000/01/rdf-schema#label>	"pna oligomer" .
<http://webisa.webdatacommons.org/concept/pna_oligomer_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"oligomer" .