PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a solvent such as acetonitrile, the product is a compound of formula (I) wherein Y is sulphur and R1 and R2 are other than hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com