About: http://webisa.webdatacommons.org/356318950

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	Examples of groups Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7, Ar8, Ar9, and Ar10 include such groups as phenylene, thiophene, pyrrole, furan, pyridine and biphenylene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk