| 摘要 |
Disclosed are pigments, being co-condensate mixtures of compounds of formula I, <IMAGE> I wherein R1 is chlorine, bromine, fluorine, methyl, methoxy or ethoxy, preferably chlorine or methyl, R2 is hydrogen or has one of the significances of R1, preferably hydrogen, chlorine or methyl, AT LEAST TWO OF THE COMPOUNDS IN SAID MIXTURE BEING PRESENT IN AN AMOUNT OF AT LEAST 0.1 MOL PER MOL OF MIXTURE.
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