abstract |
The present invention refers to dyestuffs of the formula (I)n nand its tautomeric forms, wherein nD is a group of the formula D 1 , D 2 , D 3 , D 4 or D 5 n n nwherein T, X, Y, Z, A 1 to A 4 , G, R 1 , R 5 , R 7 to R 11 , m, n, o, p, q, r, s and t are defined as given in claim 1, a process for their manufacture and hair dye compositions containing them. |