<http://webisa.webdatacommons.org/163981211>	<http://www.w3.org/ns/prov#value>	"R8 is a hydrogen atom, (C1-C4)alkyl, (C2-C4)alkenyl or (C2-C4)alkynyl;" .
<http://webisa.webdatacommons.org/prov/334150826>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/163981211> .
<http://webisa.webdatacommons.org/163981211>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/163981211>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .