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2-Anilino-6-dibutylamino-3-methylfluoran CAS 89331-94-2It is an important functional dye for the production of pressure-sensitive materials
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5-AMINO-1-NAPHTHALENESULFONIC ACID CAS84-89-9For the preparation of acid dyes and reactive dyes, intermediates and 1- naphthol -5- sulfonic acid