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2-(4-Methoxyphenyl)-6-(piperazin-1-yl)-4h-chromen-4-one

2-(6-Methoxypyridin-3-yl)-6-(piperazin-1-yl)-4h-chromen-4-one

6-(4-Methylpiperazin-1-yl)-2-(pyridin-2-yl)-4h-chromen-4-one

6-(3,3-Dimethylpiperazin-1-yl)-2-(pyridin-3-yl)-4h-chromen-4-one

6-(Piperazin-1-yl)-2-(pyridin-2-yl)-4h-chromen-4-one

6-(4-Isopropylpiperazin-1-yl)-2-(pyridin-3-yl)-4h-chromen-4-one

6-(4-Ethylpiperazin-1-yl)-2-(pyridin-3-yl)-4h-chromen-4-one

6-(4-Methylpiperazin-1-yl)-2-(pyridin-3-yl)-4h-chromen-4-one

6-(Piperazin-1-yl)-2-(pyridin-3-yl)-4h-chromen-4-one

3-(Imidazo[1,2-a]pyridin-2-yl)-7-(piperazin-1-yl)-1h-isochromen-1-one