<http://webisa.webdatacommons.org/395739094>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/395739094>	<http://www.w3.org/ns/prov#value>	"The group R7 in compounds of formulae (1) or (2) is preferably a methyl group, or especially a hydrogen atom." .
<http://webisa.webdatacommons.org/prov/362980090>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/395739094> .
<http://webisa.webdatacommons.org/395739094>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .