<http://webisa.webdatacommons.org/371647719>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/371647719>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/107699773>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/371647719> .
<http://webisa.webdatacommons.org/371647719>	<http://www.w3.org/ns/prov#value>	"R3 is an alkyl, phenyl, alkylphenyl or dialkylaminophenyl, having from 1 to about 20 carbon atoms." .