<http://webisa.webdatacommons.org/prov/333848442>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158085348> .
<http://webisa.webdatacommons.org/158085348>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/158085348>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/158085348>	<http://www.w3.org/ns/prov#value>	"In other embodiments, R3 is a hydrogen atom or a substituted or unsubstituted heteroaryl moiety." .