About: http://webisa.webdatacommons.org/236519801

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	R2 is a halogen such as bromo, and chloro; or a hydrocarbon radical such as an alkyl group, a cycloaliphatic group or aromatic group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com