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

2,2-dimethyl-1-(2-methylpiperazin-1-yl)propan-1-one

1-(2-methylpiperazin-1-yl)hexan-1-one

1-(4-tert-butylbenzoyl)-2-methylpiperazine

2-methyl-1-[4-(trifluoromethyl)benzoyl]piperazine

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

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

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

1-(2-ethylphenyl)-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