<http://webisa.webdatacommons.org/119279334>	<http://www.w3.org/ns/prov#value>	"R.sub.4 are as defined above, and L is a leaving group, such as halo, tosylate, or mesylate." .
<http://webisa.webdatacommons.org/119279334>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/374709670>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/119279334> .
<http://webisa.webdatacommons.org/prov/131364763>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/119279334> .
<http://webisa.webdatacommons.org/119279334>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .