<http://webisa.webdatacommons.org/prov/104928826>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/391043437> .
<http://webisa.webdatacommons.org/391043437>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/391043437>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/391043437>	<http://www.w3.org/ns/prov#value>	"Preferably, each R7 is hydrogen and each R8 is alkyl, especially methyl or n-butyl." .
<http://webisa.webdatacommons.org/prov/514072054>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/391043437> .