<http://webisa.webdatacommons.org/239209047>	<http://www.w3.org/ns/prov#value>	"In formula (I), R1, R2, R3, and R4 each are a substituted or unsubstituted aryl or alkenyl group." .
<http://webisa.webdatacommons.org/prov/333844329>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .
<http://webisa.webdatacommons.org/239209047>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/332484275>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .
<http://webisa.webdatacommons.org/prov/363916211>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .
<http://webisa.webdatacommons.org/prov/464017591>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .
<http://webisa.webdatacommons.org/prov/333141922>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .
<http://webisa.webdatacommons.org/239209047>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/464850965>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .
<http://webisa.webdatacommons.org/prov/465356524>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239209047> .