About: http://webisa.webdatacommons.org/139891783

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	ther); the mono-olefin is preferably a straight or branched chain compound having a terminal ethylenic double bond and containing less than six carbon atoms, especially two or three carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es