1-ethyl-4-methyl-1H-imidazole

3-(2,2-difluoroethoxy)-1-ethyl-4-nitro-1H-pyrazole

(5-fluoro-2-thienyl)acetonitrile

4-(chloromethyl)-1-ethyl-5-fluoro-3-methyl-1H-pyrazole

4-bromo-5-fluoro-1-methyl-1H-pyrazole

5-(Difluoromethyl)-3-nitropyrazolo[1,5-a]pyrimidine

methyl (4-ethynyl-1H-pyrazol-1-yl)acetate

4-ethynyl-1-(2-fluoroethyl)-1H-pyrazole

4-chloro-5-(chloromethyl)-1-ethyl-1H-pyrazole

1-ethyl-5-hydrazino-1H-pyrazole

1-ethyl-3-piperidin-1-yl-1H-pyrazol-4-amine