PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • X is a hydrogen atom, a carbon-containing unit or a carbon-heteroatom unit, including a ring structure formed with another part of the molecule.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com