ethyl 4-chloro-1-cyclopentyl-1H-pyrazole-3-carboxylate

ethyl 4-bromo-1-(2-fluoroethyl)-1H-pyrazole-3-carboxylate

ethyl 4-bromo-1-cyclopentyl-1H-pyrazole-3-carboxylate

ethyl 4-iodo-1-isobutyl-1H-pyrazole-3-carboxylate

ethyl 1-sec-butyl-4-nitro-1H-pyrazole-3-carboxylate

ethyl 4-nitro-1-(3,3,3-trifluoropropyl)-1H-pyrazole-3-carboxylate

1-butyl-4-nitro-1H-pyrazole-3-carboxylic acid

methyl 1-butyl-4-chloro-1H-pyrazole-3-carboxylate

methyl 4-bromo-1-sec-butyl-1H-pyrazole-3-carboxylate

methyl 4-bromo-1-cyclopentyl-1H-pyrazole-3-carboxylate

methyl 1-butyl-4-nitro-1H-pyrazole-3-carboxylate