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Home › 1-amino-4-(3'-phenylsulphonyl-aminophenylamino) anthraquinone-2-sulphonic acids useful as anionic dyestuffs

1-amino-4-(3'-phenylsulphonyl-aminophenylamino) anthraquinone-2-sulphonic acids useful as anionic dyestuffs

US Patent 4728464 · Granted Mar 1, 1988

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