ethyl 2-(3-ethoxy-4-nitro-1H-pyrazol-1-yl)butanoate

5-hydrazino-1-isopropyl-3-methyl-1H-pyrazole

3-(methoxymethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride

1-sec-butyl-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride

3-(ethoxymethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride

1-(2,2-difluoroethyl)-3-(ethoxymethyl)-1H-pyrazole-4-sulfonyl chloride

1-(2-fluoroethyl)-3-(propoxymethyl)-1H-pyrazole-4-sulfonyl chloride

1-butyl-3-(propoxymethyl)-1H-pyrazole-4-sulfonyl chloride

3-(isopropoxymethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride

3-(butoxymethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride

3-(butoxymethyl)-1-cyclopentyl-1H-pyrazole-4-sulfonyl chloride