<http://webisa.webdatacommons.org/161980046>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/161980046>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/prov/333262914>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/161980046> .
<http://webisa.webdatacommons.org/161980046>	<http://www.w3.org/ns/prov#value>	"R2, R', R'' substituents respectively are:R1 is an atom of" .