About: http://webisa.webdatacommons.org/45393226

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Rf can contain catenary heteroatoms, bonded only to carbon atoms, such as oxygen, divalent or hexavalent sulfur, or nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es