About: http://webisa.webdatacommons.org/62391206

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	Among the above heterocyclic groups represented by A1, particularly preferred is a group represented by either the following formula (2) or (3).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au