<http://webisa.webdatacommons.org/prov/47401523>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159154985> .
<http://webisa.webdatacommons.org/prov/295278040>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159154985> .
<http://webisa.webdatacommons.org/159154985>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/159154985>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/409357424>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159154985> .
<http://webisa.webdatacommons.org/159154985>	<http://www.w3.org/ns/prov#value>	"These compounds include phosphines, amines, sulfides, thiols or other compounds that may be classified as Lewis bases." .