ethyl 4-(5-bromo-1H-1,2,4-triazol-1-yl)butanoate

4-ethynyl-5-fluoro-1,3-dimethyl-1H-pyrazole

3-(Difluoromethyl)-4-iodo-1-isopropyl-1H-pyrazole

Methyl 5-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate

Methyl 5-fluorothiophene-2-carboxylate

1-ethyl-5-ethynyl-1H-pyrazole

2-ethynyl-5-fluorothiophene

methyl 5-(1-methyl-1H-pyrazol-5-yl)isoxazole-3-carboxylate

methyl 3-(3-iodo-1H-pyrazol-1-yl)propanoate

1-(1-ethyl-4-nitro-1H-pyrazol-3-yl)piperidine

1'-ethyl-4'-nitro-1'H-1,3'-bipyrazole