<http://webisa.webdatacommons.org/224220985>	<http://www.w3.org/ns/prov#value>	"The optical medium according to claim 1 wherein P is a group selected from the class consisting of quinones, benzodiazines, pteridines, and pyrazolo-pyrimidine groups." .
<http://webisa.webdatacommons.org/224220985>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/131211063>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/224220985> .
<http://webisa.webdatacommons.org/224220985>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .