About: http://webisa.webdatacommons.org/374857682

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	Similarly, Q may be any of the hydrocarbyl groups listed for R' above, but preferably, Q is a halogen, and most preferably, Q is chlorine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es