申请人:Hoechst Aktiengesellschaft
公开号:US04231964A1
公开(公告)日:1980-11-04
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.
公式为##STR1##的化合物,其中一对取代基X和X'或Y和Y'中的一个代表硝基,另一个代表氨基,而n为1到4,是重要的重氮组分,特别用于高染色力和纯度的二氮基颜料。