134514-27-5Relevant articles and documents
Nitro-p-phenylenediamine derivatives, processes for their preparation and coloring agents containing these for use on keratin fibres
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, (2008/06/13)
Compounds of the formula I are described: STR1 wherein R1 and R2 independently of one another each represent a hydrogen atom, a (C1 -C2) alkyl group, a hydroxy (C2 -C3) alkyl group or a 2,3
Nitro-p-phenylenediamine derivatives, processes for their preparation and coloring agents containing these for use on keratin fibres
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, (2008/06/13)
The invention relates to compounds of the general formula I STR1 wherein R1 and R2 independently of one another each represent a hydrogen atom, a (C1 -C2) alkyl group, a hydroxy (C2 -C3) al