申请人:Ciba-Geigy Corporation
公开号:US04585878A1
公开(公告)日:1986-04-29
Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are unsubstituted or substituted phenyl or naphthyl, and R.sub.3 and R.sub.4 are alkyl, alkoxycarbonyl, phenyl, benzoyl or benzyl, are suitable for dyeing high molecular weight organic material.
具有公式##STR1##的化合物,其中R.sub.1和R.sub.2是未取代或取代的苯基或萘基,R.sub.3和R.sub.4是烷基、烷氧羰基、苯基、苯甲酰基或苄基,适用于染色高分子量有机材料。