About: http://webisa.webdatacommons.org/172959296

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	Further, another preferable examples thereof is a compound in which the above unsaturated phosphonic acid is substituted by unsaturated phosphonic acid or chloromethyl stylene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de