Claimed are novel azo dyes of the formula (I)
where the substituents are each as defined in the claims, their preparation, their use as dyes and as an ingredient of an ink-jet printing ink and also substrates dyed with such compounds.
本发明涉及一种新的偶氮
染料,其
化学式为(I),其中取代基按照权利要求中所定义,以及其制备方法、作为
染料和喷墨打印油墨成分的用途,以及染有此类化合物的基材。