<http://webisa.webdatacommons.org/80321212>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.ar> .
<http://webisa.webdatacommons.org/prov/407820260>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/80321212> .
<http://webisa.webdatacommons.org/prov/54955640>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/80321212> .
<http://webisa.webdatacommons.org/prov/363916199>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/80321212> .
<http://webisa.webdatacommons.org/prov/465350672>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/80321212> .
<http://webisa.webdatacommons.org/80321212>	<http://www.w3.org/ns/prov#value>	"formulas (1) and (2), R2 is a methyl group, and R1, R3 and R4" .
<http://webisa.webdatacommons.org/80321212>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .