About: http://webisa.webdatacommons.org/263586499

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	R.sub.3 is selected from the group consisting of the following, when D is a carbon atom or an amino nitrogen:
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com