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Croconate blue or 1,2,3-triscroconate is a divalent anion with chemical formula C14N6O2 or 2C=]3. It is one of the pseudo-oxocarbon anions, as it can be described as a derivative of the croconate oxocarbon anion C5O5 through the replacement of three oxygen atoms by dicyanomethylene groups =C2. The term Croconate Blue as a dye name specifically refers to the dipotassium salt K2C14N6O2.
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