<http://webisa.webdatacommons.org/249877051>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/249877051>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/464455995>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/249877051> .
<http://webisa.webdatacommons.org/249877051>	<http://www.w3.org/ns/prov#value>	"R1 is an ethyl group, R2 is a hydrogen atom, methyl group or" .