Dyestuffs of the formula ##STR1## having the substituent meanings mentioned in the description, are suitable for dyeing and printing hydroxyl- or carbamoyl-containing materials, on which they produce light- and wet-fast dyeings and prints respectively.
式为##STR1##的
染料,其中所述的取代基在说明中提到,适用于染色和印刷含有羟基或
氨基甲酰基的材料,它们能够分别产生耐光和耐湿的染色和印刷。