| 摘要 |
Reactive dyes useful for dyeing natural and synthetic fibers of the formula <IMAGE> (1) in which D1 is a benzene or naphthalene radical, which can be substituted, D2 is a benzene radical, which can be substituted, R1 is hydrogen or C1-4-alkyl, the bridge member -N(R1)- is bonded to a ring carbon atom of D2, R2 is hydrogen or C1-4-alkyl, which can be substituted, and R3 is hydrogen or substituted or unsubstituted alkyl, cycloalkyl, aralkyl or aryl.
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