About: http://webisa.webdatacommons.org/378137164

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	In certain instances, such as when R2 is an alkoxy group and R3 is hydrogen, compounds of Formula I are not bicyclic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca