About: http://webisa.webdatacommons.org/437324151

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	Other examples of modifiers are dimethylamino ethyl methacrylate, piperidinoethyl methacrylate, morpholinoethyl methacrylate, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com