<http://webisa.webdatacommons.org/prov/464850948>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/288562710> .
<http://webisa.webdatacommons.org/prov/55021638>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/288562710> .
<http://webisa.webdatacommons.org/288562710>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/288562710>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/333848442>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/288562710> .
<http://webisa.webdatacommons.org/288562710>	<http://www.w3.org/ns/prov#value>	"in which R3 is a hydrogen atom or a methyl group, and R4 is a" .