Disperse monoazo dyes which are useful for the dyeing and printing of polyester fibers in navy-blue shades and which are of the formula: SPC1 Wherein R1 is halogen or CN; R2 is CN or NO2 ; R3 is alkylene; and n is 3 or 4; said dyes having good lightfastness and good hydrolytic stability.
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(2008/06/13)
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