About: http://webisa.webdatacommons.org/418765260

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	Q is ##STR45## X is hydrogen or halogen, R is a tetravalent organic radical having at least 4 carbon atoms, and
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com