About: http://webisa.webdatacommons.org/212597910

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	wherein R is an alkyl or acyl group having from 1 to 10 carbon atoms, X is a halogen atom, and n is a real number of from 0 to 4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr