1-cyclopropanecarbonyl-3-methylpiperazine

1-(2,4-dichlorobenzoyl)-2-methylpiperazine

1-(3-fluorobenzoyl)-2-methylpiperazine

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

3-cyclopentyl-1-(2-methylpiperazin-1-yl)propan-1-one

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

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

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

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