<http://webisa.webdatacommons.org/449116885>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .
<http://webisa.webdatacommons.org/prov/215978465>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/449116885> .
<http://webisa.webdatacommons.org/449116885>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/449116885>	<http://www.w3.org/ns/prov#value>	" as MgI, MgBr, or MgCl) and L is a halogen atom or other good leaving group." .