About: http://webisa.webdatacommons.org/341882298

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	Especially preferred are those compounds in which R.sub.2 and R.sub.6 are other than hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com