<http://webisa.webdatacommons.org/prov/436703052>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/182311949> .
<http://webisa.webdatacommons.org/182311949>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/340856098>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/182311949> .
<http://webisa.webdatacommons.org/182311949>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/182311949>	<http://www.w3.org/ns/prov#value>	"For example, halogens such as chlorine and bromine normally would not prevent formation of useful polymers." .