2-(4-chlorophenyl)-1-(2-methylpiperazin-1-yl)ethan-1-one

1-(3-chlorobenzoyl)-2-methylpiperazine

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

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

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

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

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

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

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

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

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

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

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