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Bis-(2-(Indanylazo)-sulpho-naphthalenylamino-triazin-4-yl)amino-substituted derivatives, free of fibre-reactive groups, as colorants for ink jet inks
Bis-(2-(Indanylazo)-sulpho-naphthalenylamino-triazin-4-yl)amino-substituted derivatives, free of fibre-reactive groups, as colorants for ink jet inks
