About: http://webisa.webdatacommons.org/409478781

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	heterocyclic groups are substituted, preferable examples of the substituent group include an alkyl group of 1 to 6 carbon atoms, a phenyl group, and a pyridyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com