About: http://webisa.webdatacommons.org/337798529

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	We prefer to use olefins having from 4 to 8 carbon atoms, particularly but-1-ene, isobutene and styrene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com