| 摘要 |
Anthraquinone dyes of formula <IMAGE> (1) wherein R2 and R2 are each independently of the other hydrogen or C1-C4alkyl, X is a C2-C22alkylene radical which is interrupted by 1, 2 or 3 members selected from the group consisting of -NH-, -N(CH3)- or -O- and which is unsubstituted or substituted by hydroxyl, sulfo or sulfato; or a C1-C4alkylene-phenylene-C1-C4alkylene radical which is unsubstituted or substituted in the phenylene ring by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, sulfo, halogen or carboxy, and Y is a radical of formula <IMAGE> (2)
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