About: http://webisa.webdatacommons.org/371459145

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	X is a halogen atom such as fluorine, chlorine, bromine or iodine, preferably chlorine or bromine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es