A composition of the developer coupler type for the dyeing of the hair, consisting essentially of a carrier, at least one compound 1, as coupling component, and, as developer component, one or more oxidative dye developer components, said coupler and said {HEAD ~ developer} being present in {TAIL ~ a molar ratio} of from about 2:1 to 1:2 
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A composition of the developer coupler type for the dyeing of the hair , consisting essentially of a carrier , at least one compound 1 , as coupling component , and , as developer component , one or more oxidative dye developer components , said coupler and said { HEAD ~ developer } being present in { TAIL ~ a molar ratio } of from about 2:1 to 1:2
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