| 摘要 |
Compounds of the formulae <IMAGE> and <IMAGE> salts thereof, and mixtures of such compounds or salts, wherein Me, Pc, Q1, R1, R2, R3, Y, a, b, c and d as defined, useful as fiber-reactive dyes for dyeing or printing hydroxy group- and nitrogen-containing organic substrates, for example, textile material comprising cotton, the obtained dyeings and prints having good all-round fastnesses, such as good light fastness.
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