3-chloro-6-(2-chlorophenyl)pyridazine

3-(4-ethylphenyl)-6-(piperazin-1-yl)pyridazine

3-(2-chlorophenyl)-6-(piperazin-1-yl)pyridazine

3-(2,4-dimethylphenyl)-6-(piperazin-1-yl)pyridazine

ethyl 2,4-dioxo-4-(pyridin-4-yl)butanoate

ethyl 2,4-dioxo-4-(pyridin-3-yl)butanoate

ethyl 3-(2,6-dimethoxyphenyl)-3-oxopropanoate

ethyl 4-(4-chlorophenoxy)-3-oxobutanoate

3-(3-methylphenyl)prop-2-ynoic acid

3-methyl-1-(pyridin-2-yl)piperazine