<http://webisa.webdatacommons.org/prov/215812659>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258454461> .
<http://webisa.webdatacommons.org/258454461>	<http://www.w3.org/ns/prov#value>	"X is an oxygen or sulfur atom; and n is 0 or 1." .
<http://webisa.webdatacommons.org/prov/516268561>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258454461> .
<http://webisa.webdatacommons.org/258454461>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/258454461>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/54109555>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258454461> .