abstract |
The invention relates to new reactive dyes of the formula <IMAGE> in which F = radical of an organic dye <IMAGE> and in which the radicals W, W1, R, R1, X1 to X4, Z, Y1 to Y3 and n, m and 1 are those in the application text have the meaning given, processes for their preparation and their use for dyeing and printing hydroxyl-containing or nitrogen-containing fiber materials. |