| 摘要 |
Water-insoluble dyestuff mixtures consisting of a symmetrical dyestuff of the formula <FORM:1111490/C4-C5/1> at least two different symmetrical dyestuffs of the formula <FORM:1111490/C4-C5/2> and of the corresponding number of asymmetrical dyestuffs of the formula <FORM:1111490/C4-C5/3> in which formulae R3 is a phenyl radical optionally substituted by alkyl, alkoxy or chlorine, or is a naphthyl radical, and R4 is an aromatic or heterocyclic radical optionally substituted by one or more non-water solubilizing groups. |
