<http://webisa.webdatacommons.org/402956564>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/465356519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402956564> .
<http://webisa.webdatacommons.org/402956564>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/464926656>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402956564> .
<http://webisa.webdatacommons.org/402956564>	<http://www.w3.org/ns/prov#value>	"Examples of such first leaving groups include hydroxy, alkoxy, amino, alkylamino, acyloxy, aroyloxy, acylamino, aroylamino, carbamate and 2-oxopyridyl groups, and groups of the formula --O--C(???O)--C(???O)--O--R4, wherein R4 is an alkyl or aryl group." .