ethyl (2Z)-2-chloro-2-[2-(4-chloro-3-nitrophenyl)hydrazin-1-ylidene]acetate

1-(4-fluorophenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid

1-(2,3-dimethylphenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid

3-(ethoxycarbonyl)-1-(2,4,5-trichlorophenyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(3-chloro-4-methoxyphenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid

3-(ethoxycarbonyl)-1-(4-phenoxyphenyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(4-chlorophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(3,4-dimethylphenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

3-(ethoxycarbonyl)-1-(4-fluorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

3-(ethoxycarbonyl)-1-(4-ethylphenyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

4-(3-phenylpropanoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid