1-(3,5-dinitrobenzoyl)-3-methylpiperazine

1-[3,5-bis(trifluoromethyl)benzoyl]-3-methylpiperazine

1-(3,4-difluorobenzoyl)-3-methylpiperazine

1-cyclohexanecarbonyl-2-methylpiperazine

2-methyl-1-(3,4,5-trimethoxybenzoyl)piperazine

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

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

3-methyl-1-(2-methylpiperazin-1-yl)butan-1-one

ethyl (2Z)-2-chloro-2-[2-(2,4,5-trichlorophenyl)hydrazin-1-ylidene]acetate

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

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