1-amino-4-(3'-phenylsulphonyl-aminophenylamino) anthraquinone-2-sulphonic acids useful as anionic dyestuffs
Compounds of formula I STR1 in which R is hydrogen, methyl or ethyl, R1 is methyl, ethyl, C1-4 alkoxy or halogen R2 is hydrogen, methyl or ethyl R3 is hydrogen, methyl or ethyl M is hydrogen or one equivalent of
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(2008/06/13)
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