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Asid Wouj 111

4-(4-Amino-2-methylphenyl)-3-methylbenzenaminedouble nitriding, respektivman ak asid 4-Hydroxynaphthalene-2,7-disulfonic ak fenol kouple, gani ak klori 4-Methylbenzene-1-sulfonyl fè phenol hydroxyl esterifikasyon.

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