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1-(3′-Sulfophenyl)-3-methyl-5-pyrazolone119-17-5100 % similar 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid89-36-173 % similar M-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-YL)benzenesulfonamide89-29-271 % similar 1-(2′-Chloro-5′-sulfophenyl)-3-methyl-5-pyrazolone88-76-670 % similar 3-Methyl-1-(3'-chlorophenyl)-2-pyrazolin-5-one90-31-367 % similar 6-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-1,3-naphthalenedisulfonic acid7277-87-465 % similar Mci-18689-25-859 % similar 1-(2′,5′-Dichloro-4′-sulfophenyl)-3-methyl-5-pyrazolone84-57-158 % similar 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone13024-90-353 % similar 1-(2-Chlorophenyl)-3-methyl-5-pyrazolone14580-22-453 % similar 2-(3,4-Dimethylphenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one18048-64-153 % similar 1-p-Tolyl-3-methyl-5-pyrazolone86-92-050 % similar 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid60875-16-349 % similar 1-(4′-Sulfophenyl)-3-carboxy-5-pyrazolone118-47-848 % similar Sodium 1-(4-sulfophenyl)-5-pyrazolone-3-carboxylate52126-51-945 % similar 1-(4-Nitrophenyl)-3-methyl-5-pyrazolone6402-09-144 % similar 3-[(Ethylphenylamino)methyl]benzenesulfonic acid101-11-141 % similar Sodium m-sulfobenzoate17625-03-540 % similar 1-Phenyl-3-carboxy-5-pyrazolone119-18-638 % similar Metanilic acid121-47-138 % similar