About: http://webisa.webdatacommons.org/426936856

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	In this formula, Ra and Rb are identical or different and are a hydrogen atom or an alkyl radical having 1 to 14 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com