About: http://webisa.webdatacommons.org/201616313

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	R8 A substituted or unsubstituted aryl group, an aromatic heterocyclic group, a cyano group, a nitro group, a halogen atom, or other electron-withdrawing groups.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com