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C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07C233/12—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by halogen atoms or by nitro or nitroso groups
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Chemical & Material Sciences
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Organic Chemistry
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Verfahren zur Darstellung von schwefelhaltigen blauen organischen Farbkörpern durch Einwirkung von Schwefeldioxyd oder von schwefliger Säure auf aromatische Amine oder Gemische derselben bei höherer Temperatur mit oder ohne Zusatz von Nitro- oder Azoverbindungen