About: http://webisa.webdatacommons.org/365601981

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	R is a hydrogen atom or a methyl group, R is a hydrogen atom, and with two to 12, preferably two to six carbon atoms, or wherein b.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com