<http://webisa.webdatacommons.org/14981927>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/14981927>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/14981927>	<http://www.w3.org/ns/prov#value>	"In a preferred embodiment R1 or R2 is a methyl group and R2 and R1 is hydrogen." .
<http://webisa.webdatacommons.org/prov/54955830>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14981927> .
<http://webisa.webdatacommons.org/prov/465350672>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14981927> .
<http://webisa.webdatacommons.org/prov/54955640>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14981927> .