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1-AMINO-4-(4'-AMINO-2'-SULPHOPHENYL-AMINO)-ANTRAQUINONE-2-CARBOXYLIC ACID AS INTERMEDIATE PRODUCT FOR SYNTHESIS OF ACTIVE DYES OF ANTRAQUINONE SERIES
1-AMINO-4-(4'-AMINO-2'-SULPHOPHENYL-AMINO)-ANTRAQUINONE-2-CARBOXYLIC ACID AS INTERMEDIATE PRODUCT FOR SYNTHESIS OF ACTIVE DYES OF ANTRAQUINONE SERIES