PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We particularly prefer compounds in which R12 represents a hydrogen atom, and especially compounds in which R12 represents a hydrogen atom and n is 1.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com