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

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

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

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

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

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

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

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

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