About: http://webisa.webdatacommons.org/261886052

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	The alkenyl group as R1b to R5b is preferably one containing 2 to 6 carbon atoms, such as vinyl, propenyl, butenyl or hexenyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com