<http://webisa.webdatacommons.org/25211791>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/25211791>	<http://www.w3.org/ns/prov#value>	"wherein PG is a protecting group that may be present or absent," .
<http://webisa.webdatacommons.org/prov/464695633>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/25211791> .
<http://webisa.webdatacommons.org/25211791>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .