About: http://webisa.webdatacommons.org/43009809

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.1 is an alkyl group containing from 1 to about 8 carbon atoms, a hydroxyalkyl group, or an alkoxyalkyl group;
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com