(2E)-4-{[(1-ethyl-5-methyl-1H-pyrazol-4-yl)methyl]amino}-4-oxobut-2-enoic acid

ethyl 7-(3-nitrophenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

(2Z)-3-(dimethylamino)-1-(1-methyl-4-nitro-1H-pyrazol-3-yl)prop-2-en-1-one

4-(3,4-dimethoxyphenyl)-2-hydrazino-6-(trifluoromethyl)pyrimidine

ethyl 7-(4-methylphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

2-[4-nitro-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid

5-{[4-chloro-3-(trifluoromethyl)-1H-pyrazol-1-yl]methyl}-2-furoic acid

4-bromo-1-propyl-1H-pyrazole-5-carboxylic acid

2-hydrazino-4-(1-methyl-1H-pyrazol-3-yl)pyrimidine

4-(difluoromethyl)-6-(1-ethyl-3-methyl-1H-pyrazol-4-yl)-2-(ethylsulfonyl)pyrimidine

4-bromo-1'-methyl-1H,1'H-3,4'-bipyrazole