<http://webisa.webdatacommons.org/prov/347831189>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258872767> .
<http://webisa.webdatacommons.org/258872767>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/347831117>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258872767> .
<http://webisa.webdatacommons.org/258872767>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/258872767>	<http://www.w3.org/ns/prov#value>	"Preferred compounds of the formula (I) are those in which at least one of the radicals R2, R3 and R5 is other than H." .