ethyl (2Z)-2-chloro-2-[2-(2,4,5-trichlorophenyl)hydrazin-1-ylidene]acetate

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

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

3-(ethoxycarbonyl)-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1H-pyrazole-5-carboxylic acid

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

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

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

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

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

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

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