| 摘要 |
Cationic dyestuffs of the formula <IMAGE> wherein F denotes the radical of a dyestuff, R denotes hydrogen or optionally substituted alkyl with 1-4 carbon atoms, R1 denotes alkyl with 1-4 carbon atoms, R5 and R6 denote optionally substituted alkyl, alkenyl or aralkyl or conjointly form the remainder of a heterocyclic ring, and R7 denotes alkyl with 1-4 carbon atoms, are especially suitable for dyeing textiles of polyacrylonitrile and acid modified polyesters and polyamides.
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