发明授权
US4231964A Nitroamines, processes for their manufacture and their use as diazo components 失效
硝基胺,其制造方法和用作重氮组分

Nitroamines, processes for their manufacture and their use as diazo
components
摘要:
Compounds of the formula ##STR1## wherein one of the pairs of substituents X and X' on the one hand and Y and Y' on the other hand stands for nitro and the other for amino and wherein n is 1 to 4, are diazo components, especially for disazo pigments of high tinctorial strength and purity of shade.
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