<http://webisa.webdatacommons.org/prov/283121637>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19151583> .
<http://webisa.webdatacommons.org/19151583>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/19151583>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .
<http://webisa.webdatacommons.org/19151583>	<http://www.w3.org/ns/prov#value>	"However, such known articles are not necessarily satisfactory in terms of thermal stability, durability and other properties and accompanied by manufacturing and handling problems because of toxicity of these compounds." .