<http://webisa.webdatacommons.org/365429210>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/365429210>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/365429210>	<http://www.w3.org/ns/prov#value>	"(wherein each of R5 to R8 is a hydrogen atom or a group of the formula (4)," .
<http://webisa.webdatacommons.org/prov/334150826>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/365429210> .