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Sodium 2-naphthol-7-sulfonate

Sodium nifurstylenate

Sodium 3-nitrobenzenesulphonate

Sodium 3-nitrobenzoate

Sodium 2-nitrophenoxide

Sodium 4-nitrophenoxide

Sodium 5-[(4-nitrophenyl)azo]salicylate

Sodium 1-octanesulfonate