Synonyms: 1h-pyrazole-3-carboxylicacid,4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1h-p;1H-Pyrazole-3-carboxylicacid,4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-,dipotassiumsalt;1H-Pyrazole-3-carboxylicacid,4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-,dipotassiumsalt;5-dihydro-5-oxo-1-(4-sulfophenyl)-yrazol-4-yl]-2-propenylidene]-dipotassium;4,4'-BIS[3-CARBOXY-5-OXO-1-(4-SULFOPHENYL)-2-PYRAZOLIN-4-YL]TRIMETHINE OXONOLE DIPOTASSIUM SALT;4,4'-BIS[1-(4-SULOPHENYL)-3-CARBOXYPYRAZOL-5-ONE] TRIMETHINE-PENTASODIUM SALT;1H-Pyrazole-3-carboxylic acid, 4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-,dipotassium salt;1H-Pyrazole-3-carboxylic acid, 4-[3-[3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, dipotassium salt