<http://webisa.webdatacommons.org/143629989>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/347831173>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143629989> .
<http://webisa.webdatacommons.org/143629989>	<http://www.w3.org/ns/prov#value>	"which R4 is other than H, halogen, alkyl, halogenated alkyl, alkoxy," .
<http://webisa.webdatacommons.org/143629989>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .