<http://webisa.webdatacommons.org/prov/63419466>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157816087> .
<http://webisa.webdatacommons.org/157816087>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/157816087>	<http://www.w3.org/ns/prov#value>	"atoms or phenyl, R4 is hydrogen, R5 is a divalent hydrocarbon radical, Y is divalent oxygen atom, and a is 3." .
<http://webisa.webdatacommons.org/157816087>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .