<http://webisa.webdatacommons.org/prov/299175746>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/308358585> .
<http://webisa.webdatacommons.org/308358585>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/308358585>	<http://www.w3.org/ns/prov#value>	"formula CkH2k-- where k is an integer, the group" .
<http://webisa.webdatacommons.org/308358585>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .