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

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

1-ethyl-5-(methoxymethyl)-1H-pyrazole

5-(ethoxymethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole

1-butyl-5-(ethoxymethyl)-1H-pyrazole

5-(ethoxymethyl)-1-propyl-1H-pyrazole

1-cyclopentyl-5-(propoxymethyl)-1H-pyrazole

5-(isopropoxymethyl)-1-isopropyl-1H-pyrazole