About: http://webisa.webdatacommons.org/37578050

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	One or more bonds or double bonds of carbon and an element other than carbon can, optionally, also be present in the polyene, such as carbonyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr