<http://webisa.webdatacommons.org/130753217>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/130753217>	<http://www.w3.org/ns/prov#value>	"Preferred metallic halides are aluminum halides of the formula AlR3-a Xa wherein each R is independently hydrocarbyl as hereinbefore defined such as alkyl, X is a halogen and a is a number from 1 to 3." .
<http://webisa.webdatacommons.org/prov/299623256>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/130753217> .
<http://webisa.webdatacommons.org/130753217>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/228769445>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/130753217> .