1-(3-fluorobenzoyl)-3-methylpiperazine

1-(furan-2-carbonyl)-2-methylpiperazine

2-methyl-1-(2-methylbenzoyl)piperazine

2-methyl-1-[3-(trifluoromethyl)benzoyl]piperazine

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

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

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

ethyl (2Z)-2-chloro-2-{2-[4-(propan-2-yl)phenyl]hydrazin-1-ylidene}acetate

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

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

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