PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are no particular limitations on the leaving group in the definition of Q provided it is a leaving group used in the field of organic synthetic chemistry, and examples include halogen groups such as a chlorine, bromine or iodine atom and sulfonate groups such as a methane sulfonate group or p-toluene sulfonate group, and preferably a chlorine atom.
http://www.w3.org/ns/prov#wasQuotedFrom
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