About: http://webisa.webdatacommons.org/74872345

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	R7 and R8 are as halogen for example fluorine or chlorine, as aryl they are phenyl, as aryloxy they are phenoxy and as alkyl and alkoxy they preferably contain 1-12, in particular 1-4, C atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr