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

5-hydrazino-1-methyl-1H-pyrazole

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

4'-amino-1'-ethyl-1'H-1,3'-bipyrazole-3-carboxylic acid

4-ethynyl-1-methyl-3-(trifluoromethyl)-1H-pyrazole

1-(2,2-difluoroethyl)-4-ethynyl-1H-pyrazole

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

5-hydrazino-1-isopropyl-3-(trifluoromethyl)-1H-pyrazole

methyl 5-(2-thienyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate

2-(chloromethyl)-1-ethyl-4-methyl-1H-imidazole

methyl 2-(4-iodo-1H-pyrazol-1-yl)propanoate