<http://webisa.webdatacommons.org/prov/216128976>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/21204891> .
<http://webisa.webdatacommons.org/21204891>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/21204891>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/407209174>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/21204891> .
<http://webisa.webdatacommons.org/prov/377360677>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/21204891> .
<http://webisa.webdatacommons.org/21204891>	<http://www.w3.org/ns/prov#value>	"hydrogen, E is a bond and R2 is optionally substituted phenyl, then" .