3,3-dimethyl-1-(3-methylpiperazin-1-yl)butan-1-one

1-(2-fluorobenzoyl)-2-methylpiperazine

(2E)-1-(2-methylpiperazin-1-yl)-3-phenylprop-2-en-1-one

1-(3-chlorobenzoyl)-2-methylpiperazine

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

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

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

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

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

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

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