178880-02-9 1H-Pyrazole-4-carboxylic acid, 1-methyl-3-((methyl-2-pyridinylamino)sulfonyl)-, ethyl ester Ethyl 1-methyl-3-((methyl-2-pyridinylamino)sulfonyl)-1H-pyrazole-4-carboxylate Ethyl 1-methyl-3-(N-methyl-N-2'-pyridyl)sufamoylpyrazole-4-carboxylate