<http://webisa.webdatacommons.org/prov/464850948>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/215244661> .
<http://webisa.webdatacommons.org/215244661>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/215244661>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/465350672>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/215244661> .
<http://webisa.webdatacommons.org/215244661>	<http://www.w3.org/ns/prov#value>	"The compound of claim 1, wherein one of R2 and R3 is a methyl group and the other of R2 and R3 is an ethyl group." .