<http://webisa.webdatacommons.org/143216791>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/284115527>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143216791> .
<http://webisa.webdatacommons.org/prov/140589058>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143216791> .
<http://webisa.webdatacommons.org/143216791>	<http://www.w3.org/ns/prov#value>	"In one embodiment, R2 is a hydrogen." .
<http://webisa.webdatacommons.org/143216791>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .