ethyl (2Z)-2-chloro-2-[2-(2-chloro-5-nitrophenyl)hydrazin-1-ylidene]acetate

ethyl (2Z)-2-chloro-2-{2-[4-(propan-2-yl)phenyl]hydrazin-1-ylidene}acetate

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

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

1-(5-chloro-2-methylphenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid

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

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

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

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

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

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

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

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