PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the mere discovery of any new property or new use for a known substance or of the mere use of a known process, machine or apparatus unless such known process results in a new product or employs at least one new reactant;(Explanation Derivatives of a same substance such as salts, esters, ethers, polymorphs, metabolites, new form particle size and other derivatives of a known substance will be consi
http://www.w3.org/ns/prov#wasQuotedFrom
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