5-(ethoxymethyl)-1-ethyl-1H-pyrazole-4-sulfonyl chloride

5-(isopropoxymethyl)-1-propyl-1H-pyrazole-4-sulfonyl chloride

5-(butoxymethyl)-1-propyl-1H-pyrazole-4-sulfonyl chloride

1-ethyl-5-(isobutoxymethyl)-1H-pyrazole-4-sulfonyl chloride

1-sec-butyl-5-(isobutoxymethyl)-1H-pyrazole-4-sulfonyl chloride

5-(sec-butoxymethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-sulfonyl chloride

ethyl 4-bromo-1-ethyl-1H-pyrazole-5-carboxylate

ethyl 4-bromo-1-sec-butyl-1H-pyrazole-5-carboxylate

ethyl 1-butyl-4-iodo-1H-pyrazole-5-carboxylate

1-butyl-4-nitro-1H-pyrazole-5-carboxylic acid

methyl 1-butyl-4-chloro-1H-pyrazole-5-carboxylate