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

1-(2-fluoroethyl)-4-nitro-1H-pyrazole-3-carbonyl chloride

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

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

methyl 5-hydrazino-1,3-dimethyl-1H-pyrazole-4-carboxylate

1-(1-ethyl-5-fluoro-3-methyl-1H-pyrazol-4-yl)methanamine

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

3-(5-chloro-1H-1,2,4-triazol-1-yl)propanoic acid

3-(5-iodo-1H-pyrazol-1-yl)propanoic acid

methyl 4-chloro-5-methylisoxazole-3-carboxylate

1'-ethyl-1'H-1,3'-bipyrazol-4'-amine

methyl 2-(3-ethoxy-4-nitro-1H-pyrazol-1-yl)propanoate

methyl (3-ethoxy-4-nitro-1H-pyrazol-1-yl)acetate

4-(3-ethoxy-4-nitro-1H-pyrazol-1-yl)butanoic acid

2-methyl-2-(5-methyl-1H-pyrazol-1-yl)propanoic acid