About: http://webisa.webdatacommons.org/7741844

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	hydrogen, lower alkyl or lower aryl; it is most often lower aryl, preferably phenyl or substituted phenyl wherein the substituents are electron-donating groups such as alkyl, hydroxy or alkoxy (especially lower alkoxy).
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com