PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These acyl halides can be prepared by the reaction of the carboxylic acids or their anhydrides with a halogenating agent such as phosphorus tribromide, phosphorus pentachloride or thionyl chloride using known techniques.
http://www.w3.org/ns/prov#wasQuotedFrom
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