About: http://webisa.webdatacommons.org/143446239

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, R83???R98 each independently represent a hydrogen atom, a halogen atom; an alkyl group or an aryl group, which may be substituted or unsubstituted; and k and m is a positive integer being selected so as to make k/m of 1-10.)
http://www.w3.org/ns/prov#wasQuotedFrom	google.com