About: http://webisa.webdatacommons.org/320862150

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	With respect to Chart J, R.sub.1 therein is other than hydrogen or a cation, preferably being lower alkyl.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com