| 摘要 |
The novel process for dyeing cellulosic materials with disazo dyestuffs of the formula <IMAGE> (I) in which the substituents NHR1 and NHR2 are in each case in the 6- and/or 7-position and R1, R2, m, n, p and q have the meaning given in the description, produces blue dyeings with very good fastness properties.
|
