Benzenesulfonicacid,4-[4,5-dihydro-4-[3-[5-hydroxy-3-methyl-1-(4-sulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]-(9CI); Benzenesulfonic acid,p-[4-[3-[5-hydroxy-3-methyl-1-(p-sulfophenyl)pyrazol-4-yl]allylidene]-3-methyl-5-oxo-2-pyrazolin-1-yl]-(8CI); Benzenesulfonic acid,p-[5-hydroxy-3-methyl-4-[3-(3-methyl-5-oxo-1-p-sulfophenyl-2-pyrazolin-4-ylidene)propenyl]pyrazol-1-yl]-(6CI); Bis[3-methyl-1-(p-sulfophenyl)-4-pyrazol-5-one]trimethinoxonol
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