6-Nitro-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one
N-(3-Bromopyridin-2-yl)acetamide
3-Bromo-6-methoxyimidazo[1,2-a]pyridine
4-Chloro-2-methylthiazolo[4,5-c]pyridine
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