2-Methylpyrido[2,3-b]pyrazin-3(4H)-one
6-Bromoimidazo[1,2-a]pyridine-3-carbonitrile
4-Methyl-3-nitro-1H-pyrrolo[2,3-c]pyridine
2-Amino-6-iodopyrido[2,3-d]pyrimidin-4(1H)-one
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