About: http://webisa.webdatacommons.org/221979609

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	Preferably, lower alkylene R has up to 6 and especially up to 4 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com