About: http://webisa.webdatacommons.org/292296752

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	n, and of which 1, 2 or three ring members are other than carbon.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com