<http://webisa.webdatacommons.org/prov/15779061>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/4450662> .
<http://webisa.webdatacommons.org/4450662>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/4450662>	<http://www.w3.org/ns/prov#value>	"R7 and R8, which can be identical or different, are a hydrogen atom or an alkyl group having 1 to 3 carbon atoms," .
<http://webisa.webdatacommons.org/prov/148192995>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/4450662> .
<http://webisa.webdatacommons.org/4450662>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .