3-Hydroxy-2-nitroisonicotinic acid
3-Bromo-6-(difluoromethyl)-2-fluoropyridine-5-sulfonyl chloride
4-(Bromomethyl)-2-(difluoromethyl)-6-nitropyridine
4-Bromo-3-cyano-2-(difluoromethyl)pyridine-5-carboxamide
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