| 摘要 |
Anthraquinone dyestuffs which in the free acid form are of the formula: <IMAGE> (1) where Z is H or SO3H, R is H, C1-4alkyl or hydroxy C1-4alkyl, the ring A may optionally be additionally substituted by OCH3 and/or SO3H. These dyes are especially valuable for application to cellulose and fixation by heating with a carbodiimide such as dicyandiamide.
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