1H-Pyrazole-4-carboxylic acid, 1-(4-methoxyphenyl)-5-(1H-pyrrol-1-yl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((((4-nitrophenyl)methylene)hydrazino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-(((phenylmethylene)hydrazino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((2-pyridinylamino)sulfonyl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((2-pyridinylamino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((3-pyridinylamino)sulfonyl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((3-pyridinylamino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((methyl-2-pyridinylamino)sulfonyl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((methyl-2-pyridinylamino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((methyl-3-pyridinylamino)sulfonyl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((methyl-3-pyridinylamino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-5-(4-oxo-1, 2, 3-benzotriazin-3(4H)-yl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-5-(4-oxo-1, 2, 3-benzotriazin-3(4H)-yl)-, methyl ester

1H-Pyrazole-4-carboxylic acid, 1-methyl-5-(4-oxo-3(4H)-quinazolinyl)-

1H-Pyrazole-4-carboxylic acid, 1-methyl-5-(4-oxo-3(4H)-quinazolinyl)-, methyl ester

1H-Pyrazole-4-carboxylic acid, 1-phenyl-5-(1H-pyrrol-1-yl)-

1H-Pyrazole-4-carboxylic acid, 3-((((4-chlorophenyl)methylene)hydrazino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 3-((((4-chlorophenyl)methylene)hydrazino)sulfonyl)-1-methyl-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 3-((((4-cyanophenyl)methylene)hydrazino)sulfonyl)-, ethyl ester

1H-Pyrazole-4-carboxylic acid, 3-((((4-cyanophenyl)methylene)hydrazino)sulfonyl)-1-methyl-, ethyl ester