4-Amino-5-oxo-1-(4-sulfophenyl)-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
3-(3-Methyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
5-Chloro-2-(3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
2-(5-((3-(4-Butoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)ethanesulfonic acid
3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
2-(5-Oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(5-Oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
1H-Pyrazole-4-sulfonic acid
6-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)naphthalene-1,3-disulfonic acid
1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl hydrogen sulfate
2-((4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)phenyl)sulfonyl)ethyl hydrogen sulfate
1,3,5-Trimethyl-1H-pyrazole-4-sulfonic acid
5-(4-Methoxy-3-sulfophenyl)-3-methyl-1H-pyrazole-4-carboxylic acid hydrate
5-Hydroxy-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid
1-(2-Chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid
4-(3-Heptadecyl-4-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
4-(3,5-Diphenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
3-Ethyl-2-(4-(3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4(5H)-ylidene)but-2-en-1-ylidene)-2,3-dihydrobenzo[d]oxazole-5-sulfonic acid
2-(3,4-Dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
