About: http://webisa.webdatacommons.org/198473010

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	atoms; R.sub.4 is independently selected from organic groups containing from about 1 to about 10 carbon atoms; and n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com