<http://webisa.webdatacommons.org/prov/516244666>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/435698200> .
<http://webisa.webdatacommons.org/435698200>	<http://www.w3.org/ns/prov#value>	"heteroatoms are selected from S, O and N, especially from N and O." .
<http://webisa.webdatacommons.org/prov/516244792>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/435698200> .
<http://webisa.webdatacommons.org/prov/516202522>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/435698200> .
<http://webisa.webdatacommons.org/prov/516204501>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/435698200> .
<http://webisa.webdatacommons.org/435698200>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/435698200>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .