About: http://webisa.webdatacommons.org/337219145

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	X5 represents a nucleophilic leaving group such as a cyano group or a chlorine or bromine atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com