About: http://webisa.webdatacommons.org/235713475

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	In the formula, R.sup.6 is an alkyl group having four or less carbon atoms, and examples thereof are the same as those exemplified above.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com