About: http://webisa.webdatacommons.org/16973322

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, R.sup.a and R.sup.b 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	patentgenius.com