About: http://webisa.webdatacommons.org/112971356

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	When X is H, X is preferably halogen other than bromine and R' has fluorine on the carbon adjacent the carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es