82-87-1Relevant articles and documents
Pyrazolone monoazo dyes
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Page/Page column 11, (2010/12/01)
Acid dyes, a process for their preparation and their use for dyeing organic substrates of the general formula (I) wherein the substituents have the meaning as indicated in the claims.
BASIC BISAZO COMPOUNDS
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Page/Page column 11; 13, (2008/06/13)
The invention relates to basic bisazo compounds according to formula (I) wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these dyestuffs.