<http://webisa.webdatacommons.org/prov/217984721>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/41678381> .
<http://webisa.webdatacommons.org/41678381>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/41678381>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/30256486>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/41678381> .
<http://webisa.webdatacommons.org/41678381>	<http://www.w3.org/ns/prov#value>	"In some embodiments, R2 is a halogen." .