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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	These properties of the compounds of formula I in particular render them an important and valuable advance over many X-ray contrast agents generally disclosed in the literature including our above-mentioned Patent Specifications.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com