<http://webisa.webdatacommons.org/prov/131776706>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/356283891> .
<http://webisa.webdatacommons.org/356283891>	<http://www.w3.org/ns/prov#value>	"Aryl amines selected for the hole transporting layer include molecules of the following formula ##STR4## wherein X is an alkyl group or a halogen, especially those substituents selected from the group consisting of Cl and CH3." .
<http://webisa.webdatacommons.org/prov/299623256>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/356283891> .
<http://webisa.webdatacommons.org/356283891>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/356283891>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .