| http://www.w3.org/ns/prov#value | - A dye salt of the formula F.(A)n, or a mixture of such salts, wherein F is the anion of an anionic azo dye, A is a cation derived from 2,4-bis-(2',2',6',6'-tetramethylpiperidyl-4'-amino)-6-chlorotriazine, 2,4,6-tri-(2,',2',6',6'-tetramethylpiperidyl-4'-amino)triazine, bis-(2',2',6',6'-tetramethylpiperidyl-4'-aminocarbonyl-para-phenylene)terephthalic acid diamide, bis-(2',2',6',6'-tetramethylpiperi
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