About: http://webisa.webdatacommons.org/124147200

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	as 1,3-butadiene or isoprene and vinylaromatic compounds such as styrene or alpha-methylstyrene.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com