7-Bromo-4-chlorothieno[3,2-c]pyridine
4,6-Dichloro-1-methyl-1H-imidazo[4,5-c]pyridine
3-Fluoro-1H-pyrazolo[3,4-b]pyridine
2,6-Dibromo-3-nitropyridin-4-amine
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