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diazo dye reagents based on a complex of copper
diazo dye reagents based on a complex of copper
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机译:基于铜络合物的重氮染料试剂
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摘要
the present invention relates to colorants of formula (i), wherein r1 to r4, d, f and m are as defined in claim 1, and their methods of preparation and their use for dyeing and printing materials containing hydroxyl functional groups and / or carboxamido.
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