<http://webisa.webdatacommons.org/prov/55021638>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159572810> .
<http://webisa.webdatacommons.org/159572810>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/159572810>	<http://www.w3.org/ns/prov#value>	"When --R3 is an R4 -- substituted benzene ring, R4 -- preferably is para --NO2, meta --COOC2 H5 or meta or para --CF3." .
<http://webisa.webdatacommons.org/159572810>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .