<http://webisa.webdatacommons.org/226561720>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/226561720>	<http://www.w3.org/ns/prov#value>	"Ti(OR)n X4-n wherein R is an alkyl group having 1 to 20 carbon atoms, ah aryl group or an aralkyl group, X is a halogen atom, and n is 0???n???4, and in particular, titanium tetrachloride is preferable." .
<http://webisa.webdatacommons.org/226561720>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/131467857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/226561720> .