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Report a problem with 4-[3-[3-carboxy-5-hydroxy-1-(4-sulphophenyl)-1H-pyrazol-4-yl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid, sodium salt, compound with triethylamine (EC: 290-098-3) (CAS 90066-12-9).

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