<http://webisa.webdatacommons.org/prov/131544728>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/103654173> .
<http://webisa.webdatacommons.org/103654173>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/103654173>	<http://www.w3.org/ns/prov#value>	"number of from 8 to 20 in a main chain thereof; and X is an alkali metal" .
<http://webisa.webdatacommons.org/103654173>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .