About: http://webisa.webdatacommons.org/277819203

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	erent each other; and W' is an oxygen atom, a sulfur atom, a selenium atom or =N-R6 '.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com