About: http://webisa.webdatacommons.org/412248055

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	The radicals R, R1 and X can have further substituents, in particular halogens such as fluorine atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com