| 摘要 |
<p>The dyes of formula (I) and their mixts., in which R1 and R2 can be various radicals, in acid or salt form, for use in dyeing fabrics, are made by (a) coupling 1-amino 8-hydroxy naphthalene 3,6-disulphonic acid on both sides with the diazonium salt of a triazinyl cpd. of formula (II); and (b) treatment with an amine of formula R1R2NH. R is Cl or -NR1R2.</p> |
