4-Amino-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid
2-(5-Oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
3-(3-Methyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(3-Heptadecyl-4-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(3,4-Dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(4-(4-(Dimethylamino)benzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-Chloro-3-(4-(4-(dimethylamino)benzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
5-(3-Heptadecyl-4-isopropyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid
2-Ethoxy-5-(5-oxo-3-stearamido-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
5-Amino-2-(4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-sulfostyryl)benzenesulfonic acid
4-Methyl-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
2-(5-Methyl-3-oxo-2,3-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
3-(5-Oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(3-Acetyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(3-Amino-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(5-Oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
1-(2-Chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid
2-Hydroxy-3-(3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-5-sulfobenzoic acid
1H-Pyrazole-4-sulfonic acid
5-Hydroxy-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid
