1-Methyl-3-((methyl-2-pyridinylamino)sulfonyl)-1H-pyrazole-4-carboxylic acid 1-Methyl-3-(N-methyl-N-2'-pyridyl)sulfamoylpyrazole-4-carboxylic acid 178880-03-0 1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((methyl-2-pyridinylamino)sulfonyl)-