About: http://webisa.webdatacommons.org/19078773

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 compounds represented by Formula (I), preferred is a compound in which the group formed by R1 and R2, together with ???X1???CO???N, is a cyclic group represented by the following formula:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com