<http://webisa.webdatacommons.org/199537187>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/prov/333745316>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/199537187> .
<http://webisa.webdatacommons.org/199537187>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/199537187>	<http://www.w3.org/ns/prov#value>	"preferably, R2s are a hydrogen atom, a halogen atom, a cyano group," .
<http://webisa.webdatacommons.org/prov/140589058>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/199537187> .
<http://webisa.webdatacommons.org/prov/465350716>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/199537187> .