About: http://webisa.webdatacommons.org/75472714

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 alkyl groups are preferably those having one to 30 carbon atoms, more preferably one to 16 carbon atoms, and particularly preferably those having one to six carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es