<http://webisa.webdatacommons.org/233725071>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/332484274>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/233725071> .
<http://webisa.webdatacommons.org/233725071>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/233725071>	<http://www.w3.org/ns/prov#value>	"The compounds of Formula III when a is 0 and R4 is an alkyl, aryl or arylalkyl group are prepared by the following route: ##STR7##" .