About: http://webisa.webdatacommons.org/8890440

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, R1 is a saturated or unsaturated hydrocarbyl group having from about 4 to 20 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es