About: http://webisa.webdatacommons.org/339399700

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 one exception, all of the examples or named compounds therein require R.sup.1 to be a substituent other than hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com