2-methyl-1-(thiophene-2-carbonyl)piperazine

2-methyl-1-(naphthalene-1-carbonyl)piperazine

2-methyl-1-(naphthalene-2-carbonyl)piperazine

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

ethyl (2Z)-2-chloro-2-[2-(2-methoxy-5-methylphenyl)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-(2,5-dimethylphenyl)hydrazin-1-ylidene]acetate

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

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

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

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

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

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

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

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